Kaiba almost lost control of his multi-billion corporate empire because his Board of Directors was salty their teenage CEO lost a trading card game match to his classmate.
Rapid degeneration of the hair and face are common side effects of evil in the Yu-Gi-Oh universe. Please consult a doctor before trying evil. Do not take evil while playing card games. Serious and sometimes fatal events may occur.
Moving to a spinoff will not alleviate these side effects. Ask your protagonist if evil is right for you.
SourFlame 