That’s true, as long as he’s charged.
You just have to be a little careful on Stages 10 and 15 that you don’t hurt yourself too much hitting Jackal or Owl with yellow tiles before cleansing.
Bringing Mana Potions can help that — and of course so can Antidotes.
Those are good strategies for completion, though not ideal for a more competitive run.
Cross link for reference: