Shadowknife is a spell used to throw magical knives at the enemy. The knives thrown will emit a purple glow, this spell can be cast while holding a knife or simply summoning it from the users hand.
History
Wilder and Stack used this spell to manifest blades of energy at Dante Vale and Lok Lambert but, in doing so, awakened the Sentry Triclops Titans left by Nostradamus to guard his tower. S2E28 When Lin Storm fought against Dante Vale in training, she cast the spell on throwing knives she was holding. S2E43