[RPG] Starting HP in Dungeon World

dungeon-world

In every playbooks in the Stat section they mention your maximum HP being: X + Constitution. Is it Constitution modifier or score?

It seems ambiguous to me.

Best Answer

When the text spells out an ability score, it means the score. When the text refers to the three-letter abbreviation, it means the modifier.

HP uses the Constitution score plus a class-specific value.

Dungeon World, page 17

Ability Scores and Modifiers

Many of the rules discussed in this chapter rely on a player character’s abilities and their modifiers. The abilities are Strength, Constitution, Dexterity, Intelligence, Wisdom, and Charisma. They measure a player character’s raw ability in each of those areas on a scale from 3 to 18, where 18 is the peak of mortal ability.

Each ability has a modifier associated with it that is used when rolling with that ability. These are written as three-letter abbreviations: STR, CON, DEX, INT, WIS, CHA. Modifiers range from -3 to +3. The modifier is always derived from the current ability score.