Level 1: While you wear this armor, you gain a +6 bonus to Stamina, and you have immunity to acid and poison damage equal to your highest characteristic score.
Level 5: The armor's bonus to Stamina increases to +12. Additionally, whenever an adjacent creature deals damage to you, they take 3 acid or poison damage (your choice).
Level 9: The armor's bonus to Stamina increases to +21, and an adjacent creature who deals damage to you takes 6 acid or poison damage. Additionally, you can use a maneuver to transmute a 2-cube area of liquid or gas adjacent to you into liquid acid or poison gas until the start of your next turn. Any creature who enters the area for the first time in a combat round or starts their turn there takes 6 acid or poison damage, as appropriate.