The power to
record and recreate other's attacks. Sub-power of Power Replication.
The user can use this ability to gather/record an attack from an opponent and use that attack as their own. When recording the attack, the attack is negated in the process. The user once has the attack may be able to use that attack as many times as the user wants.
The user can only use this power when someone attacks the user.
Alice Basskreigh (CubexCursedxCurious) can record and recreate attacks using the cursed tool
The Sharingan (Naruto) is capable of observing and replicating any ability on the fly.
Rufus Lore (Fairy Tail) can use his Memory Make magic to recreate and use any attack found "memorized".
Enemy Zero, Gyokuro Shuzen (Rosario + Vampire) scans monster powers and attacks using the eyes on her palms, recording them and making them her own.
After being attacked by Yamcha's Kamehameha, Tien Shinhan (Dragon Ball) was able to nullify it...
Emerl (Sonic the Hedgehog) can observe and replicate any attack on the fly.