In the first phase, he alternates between physical and magic immunity. He has magic immunity until around 50% HP, then starts to switch to physical.

第一阶段他会交替使用物理和魔法免疫physical and magic immunity .他使用魔法免疫直到50% HP左右然后发动物理免疫。

youdao

If a targeted enemy has a magic effect granting immunity to spell or physical damage, "Mass Dispel" will now always pick that effect as its target.

如果敌对目标身上有对物理或法术伤害免疫的效果，群体驱散将会自动优先选择驱散该效果。

youdao

Although ministry officials did take swift action by granting immunity to the guy who signed the contracts, they did not take the magic wands out of service, and according to this report people were still waving them around expecting to find bombs as recently as three weeks ago.

FORBES: Iraqi Treasury Gets Partial Refund on Purchase of Magic Wands