To prepare for Baro's Everything Sale in the Tennocon relay, you can check out my complete Baro masterlist here:

https://docs.google.com/spreadsheets/d/1l9vY8iVBGg7W5j7Capeh6Cr3BOp4fVD3NRJ3X6fW3xI/edit?usp=sharing

##Recommendations:

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Mods

Primed Bane of Corpus
400 Đ + 140,000 Cr

+55% Damage vs. Corpus for Rifles. These anti-faction mods provide respectable boosts, especially since status effects double dip on them. But in normal play, they require too much micromanagement to be effective. However, there are a few activities that are both exclusively Corpus-themed and warrant a specialized build anyway, such as the Index, Profit-taker Heist and Sister hunting. If you are frequently playing these endgame activities, and have the budget to max out the mods, consider buying these.

Primed Pistol Gambit
400 Đ + 220,000 Cr

+187% Crit Chance for secondaries. Creeping Bullseye actually has a better bonus with less drain, but its reduction of fire rate means this one is still competitive for automatic crit-based pistols. Get it if you can.

Primed Quickdraw
375 Đ + 120,000 Cr

+88% Reload Speed for Pistols. Somewhat useful on battery-powered weapons, since it reduces the recharge delay. Still, very few builds can afford the cost of installing this mostly QoL mod. Safe to skip.

Primed Pressure Point
385 Đ + 300,000 Cr

+165% Base Damage. While this mod seems like a must-have, its actual improvement over the base version is a modest 30%, while costing 30 times as much to upgrade. Its main use-case is certain melees with slow and heavy attacks that forgo the use of status effects. This mod is not a bad purchase, per se, but you don't have to prioritize it when its regular version and Condition Overload offers more than viable alternatives until you reach the ends of the endgame.

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Weapons

Baro's weapons typically fall into low A or B rank in tierlists, so DE at least tries to justify their asking price. And even the trashiest of weapons are worth buying if you need the Mastery Rank they provide. Or if you have good riven for them, since their disposition is usually quite high. On the other hand, Warframe has a massive arsenal, and for every weapon Baro sells, there's gonna be another that can do the same job just as well, or even better. In that sense, everything in here is safe to skip.

Prisma Ohma
450 Đ + 175,000 Cr

New! A crit-focused general upgrade to the original Ohma, at the cost of its status chance. It has some tough competition in its category, but its innate electric damage and unique stance polarity provide a distinct flavor to this Corpus tonfa.

Machete Wraith
410 Đ + 250,000 Cr

The second best machete-type melee with great riven disposition, which makes it overall decent. If you're looking to try out a machete-type, this is a good opportunity.

Zylok
500 Đ + 200,000 Cr

A lovechild of the Tigris and the Sybaris - from the wrong side of the Punnett square. It has decent base damage and high status, but with low firerate, awkward handling and awful crit, it's little more than MR fodder. It does have an augment that gives it a massive damage buff - but only on Eximus headshots. By the time you get enough Eximus spawns to keep up the buff reliably, it won't be enough to salvage the base weapon's mediocrity. It also has an Incarnon Adapter that exchanges the awkwardness of the duplex trigger for the awkwardness of fully charging each shot before it can fire on trigger release. The Incarnon mode also has a respectable AoE, and the boosted base stats from the evolutions make even the default form viable. Still kind of an acquired taste, though.

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Cosmetics

Lunar Renewal Rabbit Emblem 55 Đ + 45,000 Cr

A graphic commemorating the Chinese New Year, and the then-upcoming Year of the Rabbit. Goes on your frame's shoulders. Note that its solid block of rust red cannot be recolored.

Ki'Teer Ephemera
100 Đ + 150,000 Cr

A bunch of floating lozenges around your frame. The sharp angles usually clash with the flowing, organic design of most frames, but it can be a good fit for Vauban Prime or Gara.

Ki'teer Armor Set
800 Đ + 510,000 Cr

A rather bulky armor set with the rhomboidal Ki'teer aesthetic.

Ki'Teer Diax Syandana
325 Đ + 450,000 Cr

Same design as regular Ki'teer Syandana, but with cleaner textures and no rust stains. Still distressingly rubbery.

Opticor Elixis Skin
325 Đ + 250,000 Cr

The Elixis skins cover most of the weapon in a uniform coppery/metallic texture with the occasional grid of triangular indentations. Does not always look good, but always look shiny.

Ignis Towsun Skin
300 Đ + 300,000 Cr

If you want your guns to look like they were handpainted by babushkas, this one is for you.

Ki'Teer Solo Earpiece
250 Đ + 200,000 Cr

An extremely understated earring for your Operator. For the right ear only.

Prisma Rostam Kubrow Armor
400 Đ + 175,000 Cr

Turns your pet onto an eyeless rhinoceros. Now with 187% more shiny!

Scimitar Prisma Skin
210 Đ + 450,000 Cr

Landing craft skin with large sections covered with the glossy, animated Prisma looks. Allows for some very vibrant colors, but a lot of the color channels have an unremovable bluish tint. This, combined with the unusual lighting of the customisation screen, makes it hard to create the looks you actually want.

Dvad Luxxum Ornament
100 Đ + 100,000 Cr

Abstract art for your Orbiter. Not particularly thrilling on their own, but can funtion as pedestals or part of a larger structure.

Puspa Luxxum Ornament
100 Đ + 100,000 Cr

Abstract art for your Orbiter. Not particularly thrilling on their own, but can funtion as pedestals or part of a larger structure.

Display - Argyle
100 Đ + 75,000 Cr

A poster with customizable textures and uneven, jagged edges. I'd rather just spend the plat and get the rectangular ones, but you do you.

Empyrean Vignette
155 Đ + 200,000 Cr

A centerpiece decoration for your personal quarters on the orbiter. Comes with 2 bonus Articulas. Vignettes are normally only available for plat, so if you want to fill up that empty space in the center of your room, here's your chance. But if you already put in there a nice aquarium for your fishes or a diorama with half a dozen Articulas acting out a battlescene, then don't bother, you can only have one installed at a time.

Glaring Emblem
50 Đ + 50,000 Cr

A tiny floating image of your Kavat that goes onto your shoulders.

Fae Path Ephemera 15 Đ + 15,000 Cr

One the older step-Ephemeras, and rather insubstantial compared to, say, Eros Wings or Vengeful Charge. A permanent fixture of Baro's repertoire.

I might have sharp and opinionated remarks about these items, but I'm not the fashion police. Buy whatever cosmetic tickles your fancy!

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Other

If you haven't played Sands of Inaros yet, buy the quest key and do it (and bring your best setup for scanning Kavats). If you have Inaros Prime, you can buy the Baro Void-Signal (one per visit) to access some special cosmetics.

Also, check the answers below for second opinions.

Recommendations:

Mods

Primed Fast Hands

+55% Reload Speed for Rifles. Somewhat useful on bows and battery-powered weapons, since it also reduces the recharge delay and nocking time. Still, very few builds can afford the cost of installing this mostly QoL mod. Safe to skip.

Primed Fulmination

+44% blast radius for explosive secondaries. Note that because of Euclidean reasons, this mod actually doubles the AoE's affected area, and triples its volume. Hitting an entire crowd with a single shot is the biggest DPS increase you can have. More range also counteracts the damage loss from fall-off. This mod is really good for the handful of weapons that can benefit from it at all. If you prefer using your pistols for pretty little headshots, just move along. But if you're a fan of weapons like the Akarius, Epitaph and the Sporelacer kitgun, this mod is a must have.

Primed Charged Shell

+165% Electric damage for Shotguns. Electricity isn't the most popular elemental modding choice, but the primed version is still a significant damage boost. Buy this if possible.

Primed Smite Infested

+55% Damage vs. Infested for Melee. These anti-faction mods provide respectable boosts, especially since status effects double dip on them. But in normal play, they require too much micromanagement to be effective. Since there isn't any endgame activity specifically using Infested, only get this if you are planning on doing 4 hour survivals at Zabala.

Weapons

Baro's weapons typically fall into low A or B rank in tierlists, so DE at least tries to justify their asking price. And even the trashiest of weapons are worth buying if you need the Mastery Rank they provide. Or if you have good riven for them, since their disposition is usually quite high. On the other hand, Warframe has a massive arsenal, and for every weapon Baro sells, there's gonna be another that can do the same job just as well, or even better. In that sense, everything in here is "safe to skip."

Prisma Obex

A decent sparring weapon with good stats and a wacky augment centered on ground finishers. Great for Star Platinum cosplays. Get it if you like that.

Quanta Vandal

One of the weirder weapons in Warframe, the Quanta Vandal fires two electricity-based converging laser beams, while the altfire is a floating wireframe cube that can be detonated by the primary fire for massive damage. For all its quirkiness, and decent stats, it's still unremarkable performance-wise.

Cosmetics

Ki'teer Reverence Ephemera

New! An Ephemera of rippling shockwaves over and around your frame's feet. If we could equip step- and body-Ephemeras at the same time, this would be a solid fashion choice. As it is now, I can only recommend this to fans of the more understated styles.

Prisma Edo Armor Set

A set styled after samurai armor. A good ninja is a master of disguise, are they not?

Domus Syandana

Because who doesn't want to wear a tiny Liset on their backs?

Lemnas Staff Skin

A staff skin. Originally a Tennocon reward. It's up to you to decide whether it should be described as vibrant or garish.

Elixis Latron Pistol Skin

With this, you can make every single pistol look like a brass instrument. (Would that make the Prisma Angstrum a bazooka?)

Ki'Teer Atmos Oculus

Visors most futuristic, for your Operator.

Taxon Desert-Camo Skin

No, putting digital camo paint on your Sentinels won't stop them from aggroing enemies and getting shot to death 10 minutes into the mission.

Liset Prisma Skin

Mantis Prisma Skin

Landing craft skin with large sections covered with the glossy, animated Prisma looks. Allows for some very vibrant colors, but a lot of the color channels have an unremovable bluish tint. This, combined with the unusual lighting of the customisation screen, makes it hard to create the looks you actually want.

Mirage Immortal Skin

An asymmetric paintjob for Mirage. Can be used with Prime detail, but it still retains the default skin's rubberiness.

Deimos Scissus Prex

Prex cards depicting Deimos-associated entities. These were given away like candy during the Heart of Deimos update. If you haven't got them then, you can get them now for a modest price.

Prisma Companion Poster

A cool looking poster. Presumably holographic, because it's infinitely thin and floats a few centis off the wall.

Blue Ki'Teer Safari K-Drive Scrawl

A somewhat abstract image of Baro that you can put on the underside of your K-Drive. Notably less... organic that than the usual art style of scrawls.

Aged Claret of Denas

An Orokin-styled wineglass decoration. Assuming that red liquid IS wine...

Bekran Zaft's Equipment

Bucket Prime! Omni-Voice would be proud. Comes with a bamboo-handle mop which fits with the Umbra aesthetic more than it has any right to be.

Fae Path Ephemera

One the older step-Ephemeras, and rather insubstantial compared to, say, Eros Wings or Vengeful Charge. A permanent fixture of Baro's repertoire.

I might have sharp and opinionated remarks about these items, but I'm not the fashion police. Buy whatever cosmetic tickles your fancy!

Other

Orokin Tower Extraction Scene

A Captura scene of the extraction tile from the Void levels. Buy it if you want to do photoshoots in that location.

If you haven't played Sands of Inaros yet, buy the quest key and do it (and bring your best setup for scanning Kavats). If you have Inaros Prime, you can buy the Baro Void-Signal (one per visit) to access some special cosmetics.

Also, check the answers below for second opinions.

In the last 8 or so hours, whenever I try to log in, I get a "password incorrect" error message. I can use the same credentials to log into the WF website just fine, so I assume DE having server trouble. Anyone experienced the same issue?

I'm still experimenting with the new formatting possibilities of this platform. So if you find any of the changes particularly awesome or abhorrent, please tell me.

IMGUR link

Recommendations:

Mods

Primed Continuity

+55% Ability Duration. I cannot emphasize enough how fantastic this mod is. Duration is super important for many builds, especially for stuff that also needs range. This mod used to be The No.1 must have. Nowadays, it has an alternative in the form of Archon Continuity - but that mod's modest and very situational bonus effect is offset by its higher drain and difficult acquisition. I still consider the Primed one as the preferable option and a very much worthy purchase.

Primed Smite Corpus

+55% Damage vs. Corpus for Melee. These anti-faction mods provide respectable boosts, especially since status effects double dip on them. But in normal play, they require too much micromanagement to be effective. There are a few endgame activities that are both exclusively Corpus-themed and warrant a specialized build anyway, but since melee is a poor matchup against Sisters and the Contagion Zaws for Profit-taker don't need more damage, the only usecases for this mod specifically is long-haul Index and Steel Path endurance runs. If you are frequently playing these activities, and have the budget to max out the mods, consider buying these.

Tempo Royale

A nice, fluid stance for Heavy Blades, with lot of spinning and ground slamming. It is farmable in-game, but the droprates are terrible. It's worth the ducats you'd spend on it, but don't prioritize it over other things: it's rival stance Cleaving Whirlwind is a perfectly functional sidegrade, and much easier to farm.

Peculiar Audience

Upon killing an enemy, 60% chance Skittergirl's laughter will play. No tangible gameplay benefit. A waste of modslots, if you ask me, especially since it goes on your Warframe. But cosmetics are cosmetics...

Weapons

Baro's weapons typically fall into low A or B rank in tierlists, so DE at least tries to justify their asking price. And even the trashiest of weapons are worth buying if you need the Mastery Rank they provide. Or if you have good riven for them, since their disposition is usually quite high. On the other hand, Warframe has a massive arsenal, and for every weapon Baro sells, there's gonna be another that can do the same job just as well, or even better. In that sense, everything in here is "safe to skip."

Prova Vandal

Even if it doesn't look like it, this is a machete-type weapon. Unless you really need innate electric damage, this is slight downgrade from the Machete Wraith - which still makes it rank high in its class. But as machetes are overall a middling weapon type, you should probably just wait until the Machete Wraith comes around and get a better deal.

Prisma Dual Cleavers

A dual sword with high stats except for its middling base damage. Also has a mediocre syndicate augment. It's a worthy purchase on its own, but its weapon class is crowded with good options that can make the Prisma Dual Cleavers somewhat redundant.

Cosmetics

Paris Abra Skin

(Not Really) New!

A texture swap for the base Paris model (though it also works with Paris Prime). It was previously only available from limited-time events, but now it found a permanent hope among Baro's offerings.

Not that anyone missed it, though.

Ki'Teer Presence

When you just want to stand there, but IN STYLE. And it only costs credits!

Limbo Immortal Skin

A paintjob that covers Limbo with mostly vertical stripes. Can be used to combine Prime details with the vanilla skin.

Ki'Teer Foros Armor Set

A minimalistic armor set in the signature Ki'teer style.

Gorgon Towsun Skin

Twin Grakatas Towsun Skin

If you want your guns to look like they were handpainted by babushkas, these ones are for you.

Renayla Sugatra

A sleek cord-like charm for melee weapons, in the same style as the Vericres warfan. Originally a Tennocon stream giveaway, now available for everyone.

Ki'Teer Straed Syandana

A Syandana in the new Ki'teer style: big, sharp, angular and full of protrusions. Unfortunately, the lower half has jiggle physics used in a strangely linear manner that makes it seem like the textures are being applied to the wrong skeleton.

Masker's Theodolite Crewsuit Set

Another Leverian prop - this time, an Operator cosmetic. If you want to dress your Starchild as a Crewman, this is the closest thing to it.

Kavat Sentinel Accessory Set

This one makes your Sentinel look like a Kavat. A very, very, very, very inbred Kavat.

Ki'Teer Stencil

A pattern for the walls of your personal quarters. These usually cost plat, so take advantage while you can! Or don't, if you prefer your walls clean.

Mahd Luxxum Ornament

Abstract art for your Orbiter. Not particularly thrilling on their own, but can funtion as pedestals or part of a larger structure.

Deimos Fass Prex

Prex cards depicting Deimos-associated entities. These were given away like candy during the Heart of Deimos update. If you haven't got them then, you can get them now for a modest price.

Noggle Statue - The New War Teshin

Bobblehead of our trusty Dax mentor.

Fae Path Ephemera

One the older step-Ephemeras, and rather insubstantial compared to, say, Eros Wings or Vengeful Charge. A permanent fixture of Baro's repertoire.

I might have sharp and opinionated remarks about these items, but I'm not the fashion police. Buy whatever cosmetic tickles your fancy!

Other

3 Day Mod Drop Chance Booster

The same booster you get from the Sortie or login rewards. They don't stack with them by having their effects multiplied - only by having their duration added. The boost also applies to Endo drops. As this particular booster cannot be bought from the Market, it might still worth spending your ducats on them. Assuming you will be farming for certain mods or Zariman arcanes, or run Rathuum for Endo in the next few days.

If you haven't played Sands of Inaros yet, buy the quest key and do it (and bring your best setup for scanning Kavats). If you have Inaros Prime, you can buy the Baro Void-Signal (one per visit) to access some special cosmetics.

Also, check the answers below for second opinions.

Personally, I love the Torid. Pointing it into a crowd of Infested and see the screen fill up with damage numbers is so satisfying.