This one is classic, if a bit simple and straightforward, I'll make some more clever and devious traps in later entries of this series!
Dam 2d6 + 1d6/turn 1-3 turns
Special: ruins armor
The Acid Shower is one of the most terrifying traps an adventurer can encounter. A caustic liquid sprays in a 10’ radius, affecting everyone in the area. Victims will immediately take 2d6 points of damage and must save or take an additional 1d6 points of damage each round for the next 1-3 rounds.
The acid also destroys any armor and clothing the character is wearing.
Immediately removing armor and clothing will prevent the additional damage, but the armor will be ruined and unwearable.