Guardian Deity

The Guardian Deity is one of the protagonists of Oda's one shot Ikki Yako.

He scared villagers with a mask when he was bored, but was not the attacker that they were afraid of. The guardian was a friend of Guko's master Koshin, and later gives Guko his sword to slay Cannibal.

Personality
Whenever he get bored, he uses a mask to scare villagers for entertainment, showing he is a bit sadistic. However, he is kind as he helped Guko and even gave him his sword to slay the monster Cannibal.

Abilities and Powers
He has a sword, showing that he is at least proficient with it, though how skilled he is with it is not known.