Tips for a Djinni that may want to pick up a maw talisman?

I would think the extra hp would be awesome for a Djinni, but you need a ton of spellcasting. What XL level do you guys think I need before switching to shapeshifting. Is this even a good idea?

Maw for Dj competes with troll leather, which is so very good on them (maw also costs a bunch of XP to use). It probably can work, but I think it’ll make the run harder than it needs to be sadly.

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