Obtaining this form is extremely difficult, as the only known way to obtain it is to
train for one's absolute peak for 5 full years in the Super Saiyan 10 form. Upon the completion of the 5 years, the Saiyan immediately transforms.Take a pencil or pen and draw a tiny horizontal line, which will be the frown wrinkle in between Goku's eyes. Then, make 2 angled lines that extend up from
Core Ball each side and point towards each other. Draw angled eyebrows that extend up from each side of the frown wrinkle. He was only able to maintain it for a few seconds but the amount of energy being prodced was so great it almost destroyed the universe.
According to an interview,
Akira Toriyama designed Ultra Instinct — including its name — as a power-up for Son Gokū that would be distinct from the Super Saiyan form. It was only decided after the flow of the Universe Survival Arc's story had been decided on.