Block calculator

Your chance to block with a shield, and how much dexterity you need to reach the 75% cap.

Each class has its own block bonus, shown in brackets.

The grey line under the item name, not the unique or runeword name. A Stormshield is a Monarch; Spirit is whatever base you made it in.

Both from the character screen. Use your total dexterity, including gear.

"Increased Chance of Blocking" from items, plus skills like Holy Shield. Add them all up. Leave at 0 if none.

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chance to block

Running: –

Shield base block:

Class bonus:

Bonus block:

Block rating:

How it is worked out
  1. Block rating = shield base block + class bonus + bonus block
  2. Block chance = block rating × (dexterity − 15) ÷ (level × 2)
  3. The result is capped at 75%. While running, block is a third of that, so at most 25%.

Level divides your block, so you need more dexterity as you level.