Summary
The skill mechanic summon has the issue when summoning the wolf. If the wolf is already set Health and Damage via a mob file then use the skill to summon it. The wolf is summoned will not have the same Heath and Damage in the mob file instead a vanilla one with 20 HP and 6 damage.
Steps to reproduce [Legacy attachment omitted]
Then use the skill to summon. My example
TrieuHoiWolf: Skills: - summon{type=HiepSiWolf;amount=3;radius=2} @self
The result: [Legacy attachment omitted]