Blinded [Condition]
While you have the Blinded condition, you experience the following effects. Can’t See. You can’t see and automatically fail any ability check that requires sight. Attacks Affected. Attack rolls against you have Advantage, and your attack rolls have Disadvantage.
Blindsight
If you have Blindsight, you can see within a specific range without relying on physical sight. Within that range, you can see anything that isn’t behind Total Cover even if you have the Blinded condition or are in Darkness. Moreover, in that range, you can see something that has the Invisible condition.
Bloodied
A creature is Bloodied while it has half its Hit Points or fewer remaining.
Bonus Action
A Bonus Action is a special action that you can take on the same turn that you take an action. You can’t take more than one Bonus Action on a turn, and you have a Bonus Action to take only if a rule explicitly says so. See also “Playing the Game” (“Actions”).
Breaking Objects
Objects can be harmed by attacks and by some spells, using the rules below. If an object is exceedingly fragile, the GM may allow a creature to break it automatically with the Attack or Utilize action. Armor Class. The Object Armor Class table suggests ACs for various substances.
Bright Light
Bright Light is normal illumination. See also “Playing the Game” (“Exploration”).
Burning [Hazard]
A burning creature or object takes 1d4 Fire damage at the start of each of its turns. As an action, you can extinguish fire on yourself by giving yourself the Prone condition and rolling on the ground. The fire also goes out if it is doused, submerged, or suffocated.
Burrow Speed
A creature that has a Burrow Speed can use that speed to move through sand, earth, mud, or ice. The creature can’t burrow through solid rock unless the creature has a trait that allows it to do so. See also