The Time Weaver Update Title update for Ring of Pain has 11 achievements.
Get Poisoned twice in one turn
Complete a run without discarding any items
Petrify 50 creatures
Complete a run with 5 or less max Health
Complete a run with 0 or less Defense
Complete a run with 0 or less Attack
Have 2000+ Souls
Complete a run without ever equipping a Common item
Hit Owl with a spoon
Get hit by 20 explosions in one run
Kill a Spineback while its spines are exposed