"Wait, you need her to fly? Pathetic!"
Sai is a witty, flirtatious young angel and the alleged twin brother of Pit.
Sai is fearless and heroic. He faces many dangers and threats with little hesitation. Sai has no problem fighting against monsters many times his size and is always ready to help the humans when they are in need. The angel has a notable humorous side and enjoys cracking jokes. Sai is also very confident, which makes him bit of a show-off at times, like his brother. Nonetheless, Sai is a good-hearted and friendly character. He is described by Pit as "Unbearably Showoffish" and by Viridi as "Overly Flirtatious."
Despite Pit being a flightless angel, Sai has an amazing ability to fly long distances. He is a skilled and versatile fighter. He originally started out as an archer that mainly specialized in using the Bow, but over the years he has become more experienced with using various weapons like the Blade, Claws, Cannon, etc. Even though Sai has a childish appearance, he seems to possess great physical strength and is capable of utilizing massive weapons like the Arm or Club. However, he can act very immature sometimes.
- Sai's last name is Link, as refrence to the Nintendo character.
- Sai has been to several alternate realities.
- Sai has a crush on Phosphora.