Resilience is THE PvP stat in TBC. It's not optionalโit's mandatory. Here's exactly what it does:
Resilience Effects (per 1 Resilience)
- -0.25% chance to be crit
- -0.25% damage taken from crits
- -0.25% damage taken from DoTs
- -0.25% mana drain effects (Mana Burn, Viper Sting)
At 400 resilience (easily achievable in full S3), you take 10% less crit chance, 10% less crit damage, and 10% less DoT damage. This is a massive 20%+ effective damage reduction against most classes.
Math Example: Resilience Value
Enemy Mage crits you for 4,000 damage normally.
- 0 Resilience: Takes 4,000 damage
- 200 Resilience: 5% less crit damage = 3,800 damage
- 400 Resilience: 10% less crit damage = 3,600 damage + 10% less chance to crit at all
Plus you're getting crit less often. Resilience is broken good.