Tohsaka Residence, guest room.
Standing before the full-length mirror, Samael lightly patted his cheeks. As a cloud of black mist surged, his short golden hair gradually darkened to an inky shade. His golden-red eyes became dark and profound once more, while his silver-white knight armor transformed into Greek-style golden battle gear. A pair of magnificent golden wings silently unfurled.
The ancient serpent held his hand in an empty grasp, and a golden bow and arrows appeared between his fingers.
Goddess's Guard—Theseus the Sagittarius.
Samael looked at his more dashing reflection in the mirror and nodded in satisfaction.
This was the Pretender's trait. He could freely switch between different appearances and identities while wielding their corresponding abilities. He could also disguise himself to a certain extent, conceal a Servant's characteristics, and walk among ordinary people in a normal human form.
For now, however, the only alternate accounts he could use were Snake Who Stole the Elixir, a blank slate with immortality; Arthur, Star Holy Sword Wielder, in a swordless state; and Theseus the Sagittarius, the Goddess's Guard.
As for his other powerful main accounts, such as Samael the Death Angel, Satan the Lord of Demons, Messiah the Son of Man, World-Destroying Underworld Serpent Apep, First Cause Chronos, Ophion the Serpent of Chaos, and Jormungandr the World Serpent, even draining ten Tokiomis dry would not provide enough mana to manifest them.
After all, in a Holy Grail War, the Greater Holy Grail itself provided the main source of mana for summoning and descent. The Master was responsible only for supplying a small amount of ether to materialize the summoned Heroic Spirit.
Even so, he had drained the gemstones accumulated by the Tohsaka family over generations just to barely awaken three usable identities.
Of course, he could overturn the table at any time