Pharaoh 90

Pharaoh 90 is a character in Sailor Moon Crystal.

Appearance
He is a being of dark energy, with two bright glowing eyes.

When merged with Mistress 9, they appear as a large body of liquid with red eyes.

Biography
Pharaoh 90 is the head of the Death Busters. He is an entity from another dimension known as the Tau Star System. He is boss to his subordinates Professor Tomoe, Kaolinite, Mistress 9 and the Witches 5. His mission is to obtain a light similar to the Taioran Crystal.
 * -|Infinity Arc=

Act 27 Part 1
Pharaoh 90 sees a light that will bring destruction to the Omega Area, the Death Busters secret land. He sees other lights from planets, the radiance of Guardian planets. The entire Omega Area is overflowing with power similar to that of their old world. It's enormous aura is drawing everyone towards it. He can sense a light similar to that of the Taioran Crystal that he feels drawn to. Pharaoh 90 wants to create a new world and will not tolerate any interference. He orders Kaolinite to remove all anomalies immediately. As for the light that will bring them to destruction, Pharaoh 90 doesn't want it to awaken.

Act 38
Sailor Moon dove into the dark energy to release the power of the Holy Grail and the Silver Crystal inside Pharaoh 90. Sailor Saturn used her Silence Glaive against him and Sailor Pluto used her Dark Dome Close to send him back to his own dimension in the Tau Nebula.