Torghast - Warden Skoldus - Can't loot

[Zaranthos]

WoW Freakz link: https://www.wow-freakz.com/npc_finder.php?npc=151329&&name=warden-skoldus
Character name: Zaranthos
Bug description: Boss charges into air where it can die so you can't loot corpse.
Proof: https://imgur.com/a/9ULzUdZ

Boss can charge into the air beyond melee reach and take a good bit to come back down. DoTs can kill him there making it impossible to loot his corpse. There is no trash to pull here to loot either.