[FGO] I wasted 12 SQ on this boss

Explanation：The fight is scripted to end on bar 2, however you can circumvent this by skipping your opponent’s turn by suiciding your entire team. An interesting interaction is 500 year obsession debuffs the killer of the wearer, and if gong kills the unit gong is treated as the killer and is debuffed by the CE on death effect.