A creature with the bleeding condition takes 2 damage per round for every level or challenge rating you possess.

A creature with the Corrupted condition must roll on the Corruption Table when this condition is first gained, and once more every 6 months until it dies.

A creature with Fast healing gains hit points at the beginning of every round of combat until it has fully recovered its hit points or is killed.

A creature may be mutated. When it is mutated it rolls once on the Mutation Table.

Unstable mana has a chance of doing terrible thing. Make a 1d20 table for unstable