"RAAAAAAAAAAAAAA" - Goku's Battle Cry when Fighting Jiren
Mastered Ultra Instinct or MUI rather, is a spec that is used out of Speed and Strength.
How To Obtain
Dragon Ball + Standless = SSJ
Dragon Ball + SSJ = SSJ3
Dragon Ball + SSJ3 = SSJG
Dragon Ball + SSJG = SSJGSSJ
Dragon Ball + SSJGSSJ = SSJR/Rose
Super Dragon Ball + SSJR = Ultra Instinct
Super Dragon Ball + Ultra Instinct = Mastered Ultra Instinct
MUI + Drip Arrow = Drip MUI
E + Hold - Godlike Barrage
Attacks your opponent doing a good amount of damage.
R - Instinct Punch
Punch your opponent with full strength.
F - Super Kamehameha
Use a extreme amount of energy to obliterate your opponent.
Z + Hold - Flight
Fly all around the map.
Pros and Cons
Very good attack damage.
Flight can help you get away for a hit and run attack.
Bad amount of Health.
Can get killed easily by other OP stands.