Avalanche Boost (アバランチムーブ, abaranchi muubu) It's Cyber Pegasus' first Special Move.
Beyblade: Metal Fusion
This move creates a T-like ray that makes Cyber go faster. This is also called Avalanche Attack. It makes a cross, making it look like the Christian symbol. This attack was only seen in one episode, which was Episode 29 in which Sora used it to breakthrough the log.