C101 Destruction
The Sickle of the Dead Night's speed was actually quite standard—under normal gravity conditions.
That's why, initially, no one suspected anything amiss with the Sickle of the Dead Night.
But in a gravity field ten times stronger, the Sickle of the Dead Night shouldn't be capable of such velocity.
Especially since the Assassin Mecha, a close-combat unit that prioritizes speed