It’s clearer with turn sides being specified:
- Enemy turn: Applies DM.
- Your turn: 1st DM turn. 0% chance to die, 10% chance to clear.
- Enemy turn: Stuff.
- Your turn: 2nd DM turn. 10% chance to die, 20% chance to clear.
- Enemy turn: Stuff.
- Your turn: 3rd DM turn. 10% chance to die, 30% chance to clear.
- Enemy turn: Applies DM over top of the existing effect.
- Your turn: 1st DM turn (again). 0% chance to die, 10% chance to clear.