Death Note (proxy Kira — uses notebook on Light's behalf)Shinigami Eyes (traded half lifespan to see real names)Methodical Killing Schedule (precise daily routine)Legal Knowledge (prosecutor)Fanatical Devotion to Kira's IdeologyPattern-Based Judgment System
Ryuk
Shinigami Physiology (invisible to humans without Death Note contact)Death Note (personal — writes names to kill)Shinigami Eyes (sees true names and remaining lifespans)Flight (wings)Intangibility (can phase through objects)Immortality (shinigami lifespan extended by killing humans)Immunity to Human WeaponsApple Addiction (harmless quirk)