I received Warrior's Battle Hammer of Spinning and Warrior shoes (sorry, it faded too quickly to read, and I found nothing new in my inventory) upon defeating him.
While engaging Thugamug for Aster's quest 'Warrior: Knocking Some Sense In' the battle shows as 3 circles, but says level 5 combat job required. The rewards show as Tier 3: Combat Bonus Warrior Tunic / Warrior's Battle Hammer of Cleaving / Warrior's Power Shard of Regeneration III / Warrior's Ring of Regeneration III.<br><br>
As you approach Thugamug, he threatens you then sends in his fighters. The first wave was six easy-to-kill lowbies. The second and third waves consisted of eight lowbies and One Henchman. Once they were all dead Thugamug advanced and attacked.