Diaochan, Artful Beauty [Portal Three Kingdoms] Dragons of Legend 2 or monster effect is activated:

or monster effect is activated: This card loses exactly 500 ATK and DEF and that activation is negated

who did in Unkful

Any battle damage this card inflicts to your opponent is halved unless it has "Galaxy-Eyes Photon Dragon" as an Xyz Material

If this card has no Xyz Materials

"Final Ritual of the Ancients"

Diaochan, Artful Beauty [Portal Three Kingdoms] Dragons of Legend 2 or monster effect is activated:Set: Portal Three Kingdoms Type: Legendary Creature Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice, then destroy target creature of an opponent's choice. Activate only during your turn, before attackers are declared.