Just invest in stun and armor destroing abilities. Aside from that little buff he is as easy as they get as long as you have above 20 agility
Also there are equally as broken pieces for the player, like all paladin armor giving you a HP regen, assasins hood giving you +1 agility for each turn, or a sword that you can find that adds +1 strength for every hit you have landed.
Whats makes me way more sad than mobs is the fact that the only option to get an elf pussy is to actively simp for her. Its not like you are influenced by Lilith, and basically coundnt decide for half a game if you want to kill her or fuck her. After the goblin scene they could have at least given us a traditional hentai option on how to deal with snobby princesses.
He spams it once his health get low. Also, Pally stun only works if they normal attack you first (Abilities of any kind do not count)- which naturally, he wont because he just spams armor up and self heal.
But actually, the problem isn't that I can't beat the boss. It's that it's possible to find yourself in a situation where you cannot win or lose, but are instead stuck in an endless loop forever. It shows a lack of forsight.
I mean, the obvious way for me to win would be to just save some MP and Smite once or twice once his health is low (because it ignores armor). But it's more than a bit worrying to me, when looking at the mechanics, that it's rather easy to find yourself trapped like that. I'd have actually been more cool with the situation if the guy had just face rolled me, tbh.