Does anybody know how to lower corruption? I have the v0.28c. If i remember corectly the pool from bull's tribe lowers corruption, but when i use it it says that it doesn't glow anymore and it appears like a normal pool.

I know that labrador tea and star shards lower corruption, but not enough.

I'm not sure, but I think you can decrease on thermals (I never tested). But I believe that to decrease is mating during bulls and lizards fights.

labrador tea itself removes 1 COR, otherwise the pet slime you can find just south of the tavern often by exploring will absorb 10 COR every time it mates with you (but don't let it absorb 100 COR...). Oh, there is a star shard in Rasmus's dungeon too, in that tiny room just above the room with that giant sentry robot you snuck past, but yeah, i suggest making more tea.

Also, that holy pool removes 100 COR per playthrough, you exhausted its powers.