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Kill 25 enemies with corrosive weapons

3 guidesOnline/OfflineSingle PlayerCooperativeCumulative +
27 Oct 2009 08 Dec 2010
66 0 8
In order to unlock this achievement you will need to kill 25 enemies with a corrosive weapon. If you are wondering if the weapon you have does corrosive damage just go to your inventory screen and in the area that shows the damage, accuracy, etc. of the weapon you will see a green haz mat sign just like the one in the achievement pic as well as a multiplier of x1, x2, or x4 which indicates the chance that the effect will proc. You can also do corrosive damage by shooting green barrels that are close to enemies. I've noticed 2 different green barrels, 1 that explodes and one that splashes acid. Make sure it is the 1 that you see acid splash out of. If the enemy dies as a result of this acid barrel it will count toward this achievement as well. These barrels show up within the first 10 minutes of the game. Basically if you see green numbers coming off of the enemy you are doing corrosive damage.

I can confirm that this achievement can glitch. I had over 500 corrosive kills with no achievement. You don't need to clear your hard drive of all game information you just have to start a new character and re-do the achievement with the new character.

You can also track how many corrosive kills you have by going to the quest screen and pressing "Y" which will take you to your challenge screen. Then simply scroll down to where the corrosive kill counter is.

EDIT: MulletGuy reports that a recent patch has remedied the glitch associated with this achievement. If you met the requirements previous to the patch with no achievement, you should receive the achievement upon updating.
splicegraphThere is another way to stack kills up for this achievement before getting your first corrosive weapon. You can shoot the greenish barrels when an enemy(s) are near it, if they die as a result, it will count toward this achievement. This also works for the achievement to do with shock (blue barrels) and incendiary (yellow barrels).
Posted by splicegraph on 30 Oct 09 at 06:40
blomphil2Thanks, I tried to mention that but I will edit it to make it more clear.
Posted by blomphil2 on 30 Oct 09 at 15:19
Xx93Bubba10xXMy achievements glitched too that sucks, lowest level corrosive gun ive gotten on my highest level account is at level 15 =(
Posted by Xx93Bubba10xX on 11 Nov 09 at 04:01
telstathanks mate, sadly glitched too, i'll try your suggestion and start with a new character!
Posted by telsta on 11 Nov 09 at 13:35
blomphil2I used lillith as my second character to get this becasue at lvl 16 you can just make her melee corrosive. I hit lvl 16 before I found a corrsive weapon with her.
Posted by blomphil2 on 11 Nov 09 at 14:51
Aura of HeroismFirst gun i found with corrosive damage was on top of the building where you rescue lucky. Found the same gun w/ 2 different characters. Incase anyone is looking for a corrosive damage gun, check there.
Posted by Aura of Heroism on 12 Nov 09 at 05:25
The Dear HunterI know this is a bit old now, but I figured I'd chirp in and say that the glitch has been patched.

I put Borderlands in for the first time in ages last night, and the title update downloaded and the achievement unlocked straight away for me.

So, the glitch has been fixed.
Posted by The Dear Hunter on 21 Aug 10 at 05:52
Lazy with StyleJust got a corrosive sniper in the Dr Ned DLC from a bounty zombie. I am Lv. 22. Its the first time I got a weapon like this because the claptrap informed me about it.
Posted by Lazy with Style on 12 Mar 16 at 17:08