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Passive
Enemies damaged by 
Hydroid are permanently more vulnerable to 
Corrosive Status, with initial status reducing armor by 50% rather than 26%, allowing Corrosive Status to reach 100% armor reduction at full stacks. As long as Hydroid has damaged the enemy, the Corrosive Status Effects can be applied from any source, not just from Hydroid's weapons or abilities, and will receive the benefit.
Affected enemies are marked with a translucent water-dripping Corrosive symbol over their head, and a splashing sound is played when a new enemy is affected. The symbol color is affected by Hydroid's chosen Warframe energy color.
Bosses are immune to the increased armor reduction from Hydroid's passive, except in the Simulacrum.
Abilities
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 1  25
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Tempest Barrage Summon a tempest to rain down upon a target area. Introduced in Update 13.0 (2014-04-09) |
 Strength:150 / 175 / 225 / 300 ( Corrosive base damage)
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 Duration:4 / 6 / 8 / 10 s
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 Range:5 m (explosion radius)
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Misc:
∞ (cast range) | |||
| Subsumable to Helminth |
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 2 50
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Tidal Surge Crash through enemies in a ferocious wall of water. Introduced in Update 13.0 (2014-04-09) |
Strength:100 / 200 / 250 / 300 Corrosive damage
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| Duration:N/A
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| Range:3 / 4 / 5 / 6 m striking radius
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Misc:
Self status cleanse on cast |
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 3 75
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Plunder Plunder Armor from nearby enemies and increase Corrosive Damage on your Abilities and weapons. Enemies affected by Corrosion Status offer a greater increase. Introduced in Update 34.0 (2023-10-18) |
Strength:20 / 25 / 30 / 40 (armor per enemy) 20 / 25 / 30 / 40 (armor per Corrosive status)750 (armor cap) 5% / 6% / 7.5% / 10% ( Corrosive bonus damage per enemy)5% / 6% / 7.5% / 10% ( Corrosive bonus damage per enemy per Corrosive status)200% ( Corrosive bonus damage cap)
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| Duration:10 / 15 / 20 / 25 s (duration)
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| Range:25 m (range)
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 4 50
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Tentacle Swarm Summon a creature from the depths. Its watery tentacles emergy from nearby surfaces to wreak havoc. Introduced in Update 13.0 (2014-04-09) |
Strength:50 / 100 / 150 / 200 ( Corrosive capture damage per second) 50 / 100 / 150 / 200 (  True contact damage against Overguarded targets)
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| Duration:10 / 13 / 18 / 20 s
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| Range:15 / 15 / 15 / 15 m (spawn radius)
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Misc:
∞ (cast range) |
| Strength Mods
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Duration Mods
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Range Mods
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| Warframes | ||
|---|---|---|
 Ash •  Atlas •  Banshee •  Baruuk •  Caliban •  Chroma •  Citrine •  Dagath •  Dante •  Ember •  Equinox •  Excalibur ( Umbra) •  Frost •  Gara •  Garuda •  Gauss •  Grendel •  Gyre •  Harrow •  Hildryn • Hydroid •  Inaros •  Ivara •  Jade •  Khora •  Koumei •  Kullervo •  Lavos •  Limbo •  Loki •  Mag •  Mesa •  Mirage •  Nekros •  Nezha •  Nidus •  Nova •  Nyx •  Oberon •  Octavia •  Protea •  Qorvex •  Revenant •  Rhino •  Saryn •  Sevagoth •  Styanax •  Titania •  Trinity •  Valkyr •  Vauban •  Volt •  Voruna •  Wisp •  Wukong •  Xaku •  Yareli •  Zephyr
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| Upcoming | ||
| Cyte-09 | ||
| Attributes • Helminth • Augments • Compare All • Cosmetics | ||
389 comments
Thank GOD i got this guy from the circuit over fighting the dumbest boss I've played so far, I love his abilities
Is this really worth fighting that terrible boss multiple times to get drops?
It takes like 2 - 3 minutes if you use titania
Had to re-farm this dude for hellminth. Needed 16 runs to get a system.
Some tips a fellow nuubey can give:
Omg you can skip cinematics!! If cinematic press space x2 to skip
Ignore Vay Hek encounters, go directly for his main arena
Use Ignis/Wraith to avoid having to aim to his thing
This node also feels awesome to farm some neurodes, got a huge amount by farming him
Didn't know that you can just ignore his encounters. Thank for the tip!
25 attempts for systems, i am the statistical anomaly
I believe the original Hydroid was a highly-esteemed Orokin enforcer back in the day, before the Infested madness set in and slaughtered his kin one by one. Leaving only his pet kraken as company as he hid from custody.
Do you fear death?
How many tentacles does hydron summons with his 4th ability?
Nvm just found out
Glad you shared this FORBIDDEN KNOWLEDGE with us all.
20
I am completely new to this game. So i heard you can sell things to get platinum is that right?
Yeah! Selling prime parts and veiled rivens is one of the best ways to start getting plat as a new player.
And due to current EULA if you accidentally sell some stuff to a guy who pays you with illegal platinum, you can get BaNnEd til' 2035 with a possibility to unban yourself with buying an amount of legal platinum, depending on how many of your platinum they decide to be "dark", funniest shiet evah
Not trying to scare you off, just be prepared
His 4 have limit of 8 stack's corrosive? I had put 1 green archon shard, but this dont changed nothing on stack from his 4.
Because Corrosive procs last for 8 seconds, so Tentacle Swarm only have enough time to proc 8 Corrosives. Green Shard increases the stack to 10, but the ability itself cannot proc more than 1 Corrosive per second.
Big raga, the opp stoppa
So funny.
I'm seeing so many hydroid users these days. Is he really that good now?
I got him before the rework and sold him because he was clunky, slow, and weak. Has that changed?
Get him back
Doing that now :)
And this is why I don't sell any frames I only have 1 of. You never know when a rework will come around for them.
Im resisting the urge to sell rhino for hydroid
Damage bonus from Plunder adds to Barrage so you can kill pretty high levels with it
Someone needs to update the Plunder description,maybe even with calculation, it's supposed to buff ability damage.
Undertow was my favourite skill, because it made me feel like Zabuza. Plus it was fun in stealth mission. Plus you could look cool if you timed Tidal surge and Undertow right.
Yes, Hydroid is better now (thank God they got rid of that charge mechanic), but it won't be my main frame anymore. Style > Utility 4ever
Style points are the only points.
Me to the unbelieving Grineer. (They need to start believing in ghost stories)
You're in one!
I haven't played this game in a long time but good to see this mf got better
I hear people say Hydroid is bad but from what I am reading his kit seems pretty good, am I missing something?
He got reworked in October, before he kinda sucked
Ohhhh okay. Thanks
He sucked for the longest. People didn't even knew he existed.
This is what happens when you don't take care of your oceans folks. You get hydroid. :)
Hydroid has gone from my favorite Warframe to my favorite Warframe who can obliterate Grineer soldiers in mere moments, and I only wish Plunder made Hydroid turn into a lump of water for a moment, for aesthetics.
FINALLY SOMEBODY GETS IT
Staggered enemies are unable to capture Interception towers, so Tentacle Swarm is press a button to immediately start interception, which is nice.