Reference

Actions, combat rules, conditions, skills, feats and languages. Search by name.

During play

Actions Every combat action and what it does: Attack, Dash, Disengage, Dodge and more.

Conditions Every condition and what it does to a creature

Combat Rules Cover, advantage and the core combat rules

Feats Character feats from every source, with their prerequisites.

Skills Skills and the abilities behind them

Optional Features Eldritch invocations, maneuvers, metamagic and fighting styles

Languages From Common to Abyssal, with their scripts

Deities Gods by pantheon, with alignment, cleric domains and symbol

When you make an attack roll and the d20 shows a 20, you score a Critical Hit.

Roll all the attack's damage dice twice and add them together, then add any relevant modifiers as normal.

You don't roll damage dice more than twice even if a feature grants extra damage dice for the attack.