The Buddhist Temple aliens dwelt in a and are disguised as a variety of statues, and are immensely powerful and durable.
A phenomenal learner, he masters his abilities rather quickly.
His psychic powers are significantly reduced, and a recent medical examination indicates that continued use of his powers has significantly aged his internal organs.
After being released by Gantz, she asks Host Samurai if they should kill the Gantz players.
However, after Kato dies in the third mission, Kei starts taking care of other people as well, and he starts to avoid casualties amongst Gantz team members.
Writer and director made the decision as a nod to original actor George Takei, who had become a prominent rights activist since portraying the character in the original series.