Omastar - Generation 7 learnset

Moves learnt by level up

Omastar learns the following moves in Pokémon Ultra Sun & Ultra Moon at the levels specified.

Lv.	Move	Type	Cat.	Power	Acc.
1	Bite	Dark		60	100
1	Constrict	Normal		10	100
1	Hydro Pump	Water		110	80
1	Spike Cannon	Normal		20	100
1	Withdraw	Water		—	—
7	Bite	Dark		60	100
10	Water Gun	Water		40	100
16	Rollout	Rock		30	90
19	Leer	Normal		—	100
25	Mud Shot	Ground		55	95
28	Brine	Water		65	100
34	Protect	Normal		—	—
37	Ancient Power	Rock		60	100
48	Tickle	Normal		—	100
56	Rock Blast	Rock		25	90
67	Shell Smash	Normal		—	—
75	Hydro Pump	Water		110	80

Moves learnt on evolution

Omastar learns the following moves when it evolves in Pokémon Ultra Sun & Ultra Moon (regardless of level).

Move	Type	Cat.	Power	Acc.
Spike Cannon	Normal		20	100

Egg moves

Omastar learns the following moves via breeding in Pokémon Ultra Sun & Ultra Moon. Details and compatible parents can be found below.

Move	Type	Cat.	Power	Acc.
Aurora Beam	Ice		65	100
Bide	Normal		—	—
Bubble Beam	Water		65	100
Haze	Ice		—	—
Knock Off	Dark		65	100
Muddy Water	Water		90	85
Reflect Type	Normal		—	—
Slam	Normal		80	75
Spikes	Ground		—	—
Supersonic	Normal		—	55
Toxic Spikes	Poison		—	—
Water Pulse	Water		60	100
Whirlpool	Water		35	85
Wring Out	Normal		—	100

Move Tutor moves

Omastar can be taught these attacks in Pokémon Ultra Sun & Ultra Moon from move tutors (details):

Move	Type	Cat.	Power	Acc.
Bind	Normal		15	85
Earth Power	Ground		90	100
Icy Wind	Ice		55	95
Iron Defense	Steel		—	—
Knock Off	Dark		65	100
Snore	Normal		50	100
Stealth Rock	Rock		—	—
Water Pulse	Water		60	100

Moves learnt by TM

Omastar is compatible with these Technical Machines in Pokémon Ultra Sun & Ultra Moon:

TM	Move	Type	Cat.	Power	Acc.
06	Toxic	Poison		—	90
07	Hail	Ice		—	—
10	Hidden Power	Normal		60	100
13	Ice Beam	Ice		90	100
14	Blizzard	Ice		110	70
15	Hyper Beam	Normal		150	90
17	Protect	Normal		—	—
18	Rain Dance	Water		—	—
21	Frustration	Normal		—	100
23	Smack Down	Rock		50	100
27	Return	Normal		—	100
32	Double Team	Normal		—	—
37	Sandstorm	Rock		—	—
39	Rock Tomb	Rock		60	95
42	Facade	Normal		70	100
44	Rest	Psychic		—	—
45	Attract	Normal		—	100
46	Thief	Dark		60	100
48	Round	Normal		60	100
55	Scald	Water		80	100
68	Giga Impact	Normal		150	90
69	Rock Polish	Rock		—	—
71	Stone Edge	Rock		100	80
74	Gyro Ball	Steel		—	100
80	Rock Slide	Rock		75	90
87	Swagger	Normal		—	85
88	Sleep Talk	Normal		—	—
90	Substitute	Normal		—	—
94	Surf	Water		90	100
98	Waterfall	Water		80	100
100	Confide	Normal		—	—

Moves learnt by level up

Omastar learns the following moves in Pokémon Let's Go Pikachu & Let's Go Eevee at the levels specified.

Lv.	Move	Type	Cat.	Power	Acc.
1	Bide	Normal		—	—
1	Constrict	Normal		10	100
1	Leer	Normal		—	100
1	Spike Cannon	Normal		20	100
1	Supersonic	Normal		—	55
1	Water Gun	Water		40	100
1	Withdraw	Water		—	—
4	Withdraw	Water		—	—
11	Leer	Normal		—	100
15	Water Gun	Water		40	100
22	Bite	Dark		60	100
26	Rock Throw	Rock		50	90
33	Protect	Normal		—	—
37	Rock Slide	Rock		75	90
50	Hydro Pump	Water		110	80
60	Shell Smash	Normal		—	—

Moves learnt on evolution

Omastar learns the following moves when it evolves in Pokémon Let's Go Pikachu & Let's Go Eevee (regardless of level).

Move	Type	Cat.	Power	Acc.
Spike Cannon	Normal		20	100

Moves learnt by TM

Omastar is compatible with these Technical Machines in Pokémon Let's Go Pikachu & Let's Go Eevee:

TM	Move	Type	Cat.	Power	Acc.
01	Headbutt	Normal		70	100
05	Rest	Psychic		—	—
07	Protect	Normal		—	—
08	Substitute	Normal		—	—
09	Reflect	Psychic		—	—
12	Facade	Normal		70	100
15	Seismic Toss	Fighting		—	100
22	Rock Slide	Rock		75	90
25	Waterfall	Water		80	100
27	Toxic	Poison		—	90
29	Scald	Water		80	100
47	Surf	Water		90	100
48	Hyper Beam	Normal		150	90
51	Blizzard	Ice		110	70
55	Ice Beam	Ice		90	100
56	Stealth Rock	Rock		—	—