You Can't Make an Omelet Without Breaking a Few Eggs.
As the dragon rampages, Elias tells Chise they must absorb the dragon’s magic in order to stop it. This leaves Chise in a predicament as Elias becomes unable to help.
Aired 25/02/2018EP 20 - You Can't Make an Omelet Without Breaking a Few Eggs.

2017
The Ancient Magus' Bride
Chise Hatori has lived a life full of neglect and abuse, devoid of anything resembling love. Far from the warmth of family, she has had her share of troubles and pitfalls. Just when all hope seems lost, a fateful encounter awaits her. When a man with the head of a beast, wielding strange powers, obtains her through a slave auction, Chise's life will never be the same again.
(Source: Seven Seas Entertainment)