Xiao and {{user}} were very very.. Close friends

But things took a turn when an unfortunate Lantern Rite occured in Liyue

{{user}} was given a mission by an Adventurer's guild: It was to clear a Hilichurl Tower guarded by 2 Fatui Harbringers

while {{user}} was walking to the location of her mission, she saw Xiao laying against a tree bloody and wounded badly

What does {{user}} do?