[Snake]

The effects of 'Mutation' (Mutated enchant) does not work on NPCs, as if the weapon does not properly update its effects for the NPC utilizing it. There is not much to test about it.

Mutate a weapon to another type, and the NPC will still utilize the base weapon type for skills, not the mutation type.

Ideally, I'd love if we could manually change the type of a weapon, rather than counting on Mutation. And the NPC properly acknowledges those changes and uses it for the specific skills.

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Things that alter the weapon in particular, like Gigantic granting +1 Range, also does not respected by the NPC, given when they're set to "Ranged", and you grand them a 1 range weapon such as a 'Manic Slasher', and grant it Gigantic, they'll only move 1 square, believing the weapon is 1 range, when for real it has 3.