Activate 1 of these effects.
• Special Summon 1 Level 9 monster from your hand.
• Target 1 Level 9 monster you control; Special Summon from your Deck, 2 Level 9 monsters each with different original Type and Attribute from that face-up targeted monster, and with different names from each other, but these 2 monsters cannot attack, also destroy them during the End Phase.
You can only activate 1 World Legacy Monstrosity per turn.