Diablo Wiki

Piercing is a suffix that can appear on Magic and Rare Items. It provides an Ignores Target's Defense bonus.

It doesn't start spawning on items until Item Level 25.

Stats[]

Piercing
Ignores Target's Defense

Can appear on: Magic Items, Rare Items
Is available on: Katars, Daggers, Scepters, Staves, Wands

Items
Monster Knockback — Bear
Ignore Target Defense — Piercing
Prevent Monster Heal — Vileness