Mektul, Forge Master Bug / PoE 2 Act 3

Today i faced Mektul in act 3 normal. After leaving lava for the first time he bugged out and started just walking straight to the end of arena without hitting/using spells.

Same, also act 3 normal. I dazed/stunned him (using wind blast) just as he was about to start his lava wave-thing, after he recovered from the stun he just keept walking as if he was in the lava, but triggering no waves.

This continued even after he reached the end of the lava pool making it an easy kill.

- on another but related note tho, I find the leash distance to the lava pool a hassle in this fight, it's a dps race but if you pull him just a tiny bit to far he just runs back and wastes your time.. mby if it was a little more generous, or he just ran back at set health levels? (Apart from that it was a nice and badass fight ^^)

The same happened to me too on Cruel Act 3. Using a Ranger, I pulled the boss far away from the flames 3 times, so he runs back and start the flame walking. On the 4th occasion, the stun meter was nearly full, so I stunned him when he started the flame walking. The same happened that was written here by others. He started walking without the flames appearing, walked out of the flame, and it was an easy kill (finally, after 2 strokes and 5 suicide attempts just because of this boss :D)