He expends his last unused manuever to add 1d6 to his damage from the Fang Dragon ideal, and makes an unarmed strike:
attack
Rolled 1d20+6 : 14 + 6, total 20
damage
Rolled 1d4+4 : 3 + 4, total 7
Rolled 1d6 : 3, total 3
recharge
Rolled 1d4+1 : 2 + 1, total 3