Final answer:
Indomitable Might is a feature that allows a barbarian to add their Strength modifier to their initiative rolls in Dungeons & Dragons.
Step-by-step explanation:
Indomitable Might is a feature that is granted to barbarians in the Advanced Placement (AP) version of the game called Dungeons & Dragons. It allows the barbarian to add their Strength modifier to their initiative rolls, which determines the order of combat. The Strength modifier is used to represent the character's physical strength and power.