This happens 10 years after the T.O.P when Omni king was bored bored he decided to call Goku. Goku does go to Zeno's palace because if he does go because he knows that Zeno has something important for him, He arrives at Zeno's palace and is greeted...
He has all the transformations like super saiyan or super saiyan god all of them but they are not used because they are week.
This is all Omni Goku's stats
(Base Form)
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100 Tredecillion about 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000 power level
(Multiverses level of power)
(Second Form)
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septenvigintillion about 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 power level (Multiversal Manipulation)
(3rd Form)
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quinquinquagintillion about
1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 power level (can destroy all existence)or (create)
(Final Form)
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googol power level (can destroy everything including time) or (create)
(techniques)
-Kai Kai (learned when Goku told Shin to teach him the technique after the tournament of power)
-Energy Nullification
-Create(the power to create everything like a multiverse)
-Hakai
-Erase (erases all like time, universe etc)
-Ultra instinct (base power)
-Ki Blast
-Finger Beam
-Godly Energy Wave
-Omni Kamehameha
-MAX Power Kamehameha
-Soaring fist (a shockwave from the hand)
-Flying
-Ki blast (sphere of energy)
-Hakai blast(sphere of destruction)
-Telepathy (this one will be important in the story)
-invisible eye blast (when Jiren's eye glow and punched a million times)
-Cataclysmic Orb (the sphere that Beerus created that looked like the son)