- Gain +2 to damage roll for that attack (single target) or +1 to damage (multiple targets)
- Gain +2 to one defense of your choice.
- Gain +2 to one attack roll
- Gain +2 to damage against one enemy or +1 to damage rolls versus multiple enemies
Characters may declare an Offensive or Defensive Challenge as part of an immediately following standard action, which is the action modified (attack roll and damage). At heroic tier, only one challenge may affect an attack, at paragon, you may stack two challenges, and at epic, three.