depredation

/ˌdeprəˈdāSHən/
noun

1. an act of attacking or plundering

His spirit, depleted by his own depredations, pulsed too fast through his veins, twinning with a whirr and discordant jangle of… of disbelief crashing against evidence, producing a sensation of disfaith.

– Laini Taylor, Strange the Dreamer