Venril Sathir Remains

[Robeazy]

Does anyone know the true respawn time of this? I have been nearby for a 5 or 6 kills, timed it for what the wiki says for respawn and given an hour window on each side for error, and I haven't seen him pop in the prescribed 6-8 hours.

Old allakhazam shows 20 hours, is that more accurate?

Thanks for any word, or advice.