Gashta is a tall man with an afro hairstyle and wears tribal-like clothes and carries a messenger bag with him.
Greed Island arc
Gashta alongside his brother Zetsk, take Tsezguerra's Ren test in order to play Greed Island and they both pass. Right after entering the game from the Shiso Tree he regroups with his brother and thanks him for waiting. Gashta perceives they're being watched and his brother Zetsk confirms it claiming there's a large number of people watching them. Through Gashta's deduction, however, they're no threat and should be ignored. The brothers then head off together into the game.
The Bombers mention the Bellam brothers as players that they should keep an eye on. His name is mentioned in Gon's binder and Goreinu also mentions them as a strong and famous duo, who never work with others. During Eta's announcement about the trivia game to win the "Ruler's Blessing", the brothers attentively listen. Gon wins the trivia game and the brothers confront Gon and group. Gashta comments how Gon and the group actually managed to get all of the cards in the game, while his brother Zetsk snickers. Zetsk then tells a man that apparently was associated with the brothers that his job is done and can go beat it and then challenges the group to a winner take all match and it doesn't matter if it's 2 versus 4. Gashta then tells the group it's a match they can't refuse, the brothers, however, are handily defeated, by the boys.
13th Hunter Chairman Election arc
Abilities & Powers
Gashta is capable enough to have passed the notoriously difficult Hunter Exam. He is an above-average Greed Island player, praised as a capable individual by Goreinu and considered a troublesome opponent by Genthru despite only recently starting the game. His brother and he were feared by multiple players, although not as much as the Bombers. Gashta seems to be the leader of the duo he forms with his brother. He is highly perceptive, having succeeded in sensing the presence of onlookers as soon as he joined the game, and making inferences about their species and skill level based on it. Nonetheless, Zetsk and he were effortlessly defeated by Gon, Killua, Goreinu, and Biscuit.