Tunguska Nine Drive

is the Noble Phantasm of Koyanskaya as Beast IV:L and Koyanskaya of Darkness.
A heavy-weight attack where she reabsorbs all of her subordinate abominations, transforms herself into a Great Specter, jumps, turns into a meteor falling from the sky, and pulverizes the enemy team. An imitation of the said to be caused by a meteor fall in Russia. By the way, the fallen meteor is said to have weighed 100 thousand tons.
In SIN, Qin Shi Huang estimated her to weigh around 100 thousand tons, meaning they saw through Koyanskaya's identity, at least as raw data. What a Qing.Fate/Grand Order - Koyanskaya of Darkeness's prfoile translated by ComunCoutinho
==References==
Category:Noble Phantasms
Category:Anti-World Noble Phantasms
Category:C rank Noble Phantasms
Category:Noble Phantasms introduced in Fate/Grand Order
Category:Transformation Noble Phantasms