He is a powerful demon and the living definition of evil.janemba is a destructive monster who seems to have little motivation other than sadistic pleasure and lust for anarchy.He is capable of using his power to alter the reality to his liking,with no regard for how it affects others,showing an obsessive need to control.If someone insults his magic it becomes slightly weaker for a while and cracks proving that his powers are deeply connected with his emotional state.capable of regenerating