Paladin · Protection · tier 1 · from level 10

Toughness

Rank 5/5

Increases your armor value from items by 10%.

Doesn't change the damage or healing of any Paladin spell.

Averages, counting crits and misses, for a level 60 Paladin with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.