Law is an serious guy, who cares about his job more tLaw is an serious guy, who cares about his job more than anything, his personality is serious and smart, and his looks are muscular, tall, tan, black/haired, and brown eyed. Law is one of the most serious and powerful guy.

Law was fed the Ope Ope no Mi at a very young age and this fruit gave him the power to create large spherical ROOMs within which everything was his to control, from the terrain to the people inside it. 
