You enter a flow state in combat, granting you the following benefits.
Improved Critical
Your attack rolls with weapons and Unarmed Strikes can score a Critical Hit on a roll of 19 or 20 on the d20.
Chain Critical
Whenever you reduce an enemy to 0 Hit Points or score a Critical Hit against an enemy, your Critical Hit range increases. After the first such attack, your attacks score a Critical Hit on a roll of 18-20 on the d20; after the second, you score a Critical Hit on a roll of 17-20; after the third, you score a Critical Hit on a roll of 16-20. Your Critical Hit range resets after 1 minute or when you have the Incapacitated condition.