It is not subject to critical hits, nonlethal damage, ability damage to to its physical ability scores, ability drain, energy drain, fatigue, exhaustion, or death from massive damage.

不死生物不会受到重击，瘀伤，对物理属性的属性伤害，属性吸取，能量吸取，疲劳，力竭，或者因巨创而死。

youdao

Apart from the drain of being on tour, Yorke has reasons for fatigue.

NEWYORKER: Atomic Clock