When a face-up ""Heroic"" monster you control is targeted for an attack: Target another face-up Level 4 or lower ""Heroic"" monster you control; double its ATK during this Battle Phase, then switch the attack target to it and conduct damage calculation, but monsters cannot be destroyed by this battle.
![Heroic Advance [Abyss Rising] [ABYR-EN069] | Gear Gaming Bentonville](http://bentonville.geargamingstore.com/cdn/shop/products/67270_200w.jpg?v=1570625762)
