During damage calculation, if your Link Monster battles an opponent's monster: Your monster gains ATK equal to the total Levels/Ranks of the monsters it points to x 400, during that damage calculation only. You can only activate 1 "Star Power!!" per turn.
![Star Power!! [RIRA-EN083] Rare](http://boardwipe.com/cdn/shop/products/194691_400w.jpg?v=1607902777&width=1445)
![Star Power!! [RIRA-EN083] Rare](http://boardwipe.com/cdn/shop/products/194691_200w.jpg?v=1607902777&width=1445)