|This article is about a/an weapon in Kamen Rider W.|
- "Eternal Maximum Drive!"
- ―Finisher announcement[src]
When the Eternal Memory is placed in the weapon's Memory Slot, it initiates the Eternal Requiem (エターナルレクイエム Etānaru Rekuiemu) Maximum Drive, which generates a power wave that neutralizes enemy Gaia Memories. The T1 version, neutralizes the Gaia Memory the target is currently using, while the T2 version neutralizes all T1 Gaia Memories. A variation of this finisher also executes a Rider Kick to the target.
With the Eternal Memory inserted, Eternal can use the Eternal edge to initiate the Bloody Hell Blade (ブラッディヘルブレイド Buraddi Heru Bureido) Maximum Drive, in which he unleashes an energy slash.
In his Strengthening Armament form, Eternal is able to absorb the X-Bicker energy to produce the Eternal Wave (エターナルウェーブ Etānaru Wēbu) aura, which he uses to execute the Neverending Hell (ネバーエンディングヘル Nebāendingu Heru) Maximum Drive.
- The Eternal Edge is the only weapon made for the toyline known as the Power Dagger by X2TOYS during the limited order, which is compatible with the uses of DX and CSM Gaia Memories.