Frankenstein's Monster in the Fate series is a Berserker-class Servant summoned in the Holy Grail War. Created by Victor Frankenstein, she is depicted as a petite, feminine creature with a tragic backstory of rejection and a desire for a companion. Despite her monstrous appearance and immense strength powered by electricity, she possesses a gentle, innocent personality, communicating through simple sounds like 'Uuu' and showing unwavering loyalty to her Master. Her Noble Phantasm, 'Blasted Tree: Lightning Shower of Raging Thunderbolts,' unleashes devastating electric attacks. She yearns for happiness and love, often prioritizing her Master's safety over her own.