Wring Out is learned by 25 species by level and 4 by egg

Effect, in PokéAPI's words

“Power increases against targets with more HP remaining, up to a maximum of 121 power.”

Who learns it

27 species in all, 8 of 9 games shown

Ultra Sun and Ultra Moon: 27 species

Species	Method	Level
Tentacruel	Level up	1, 56
Swalot	Level up	1, 54
Cradily	Level up	1, 61
Lickilicky	Level up	1, 57
Jellicent	Level up	1, 61
Octillery	Level up	28
Snivy	Level up	37
Gulpin	Level up	44
Servine	Level up	44
Tangela	Level up	46
Seviper	Level up, Egg	46
Carnivine	Level up	47
Tentacool	Level up	49
Jynx	Level up	49
Tangrowth	Level up	49
Bellsprout	Level up	50
Kabuto	Level up	50
Serperior	Level up	50
Lileep	Level up, Egg	52
Frillish	Level up	55
Lickitung	Level up	57
Weepinbell	Level up	58
Kabutops	Level up	63
Guzzlord	Level up	67
Necrozma	Level up	67
Omanyte	Egg
Chikorita	Egg

Sun and Moon: 27 species

Species	Method	Level
Tentacruel	Level up	1, 56
Swalot	Level up	1, 54
Cradily	Level up	1, 61
Lickilicky	Level up	1, 57
Jellicent	Level up	1, 61
Octillery	Level up	28
Snivy	Level up	37
Gulpin	Level up	44
Servine	Level up	44
Tangela	Level up	46
Seviper	Level up, Egg	46
Carnivine	Level up	47
Tentacool	Level up	49
Jynx	Level up	49
Tangrowth	Level up	49
Bellsprout	Level up	50
Kabuto	Level up	50
Serperior	Level up	50
Lileep	Level up, Egg	52
Frillish	Level up	55
Lickitung	Level up	57
Weepinbell	Level up	58
Kabutops	Level up	63
Guzzlord	Level up	67
Necrozma	Level up	67
Omanyte	Egg
Chikorita	Egg

Omega Ruby and Alpha Sapphire: 25 species

Species	Method	Level
Tentacruel	Level up	1, 56
Swalot	Level up	1, 54
Cradily	Level up	1, 61
Lickilicky	Level up	1, 57
Jellicent	Level up	1, 61
Octillery	Level up	28
Snivy	Level up	37
Gulpin	Level up	44
Servine	Level up	44
Tangela	Level up	46
Bellsprout	Level up	47
Weepinbell	Level up	47
Carnivine	Level up	47
Tentacool	Level up	49
Jynx	Level up	49
Seviper	Level up, Egg	49
Tangrowth	Level up	49
Kabuto	Level up	50
Serperior	Level up	50
Lileep	Level up, Egg	52
Frillish	Level up	55
Lickitung	Level up	57
Kabutops	Level up	63
Omanyte	Egg
Chikorita	Egg

X and Y: 25 species

Species	Method	Level
Tentacruel	Level up	1, 61
Swalot	Level up	1, 66
Cradily	Level up	1, 76
Lickilicky	Level up	1, 57
Jellicent	Level up	1, 61
Octillery	Level up	28
Snivy	Level up	37
Servine	Level up	44
Tangela	Level up	46
Bellsprout	Level up	47
Weepinbell	Level up	47
Carnivine	Level up	47
Jynx	Level up	49
Tangrowth	Level up	49
Kabuto	Level up	50
Seviper	Level up, Egg	50
Serperior	Level up	50
Tentacool	Level up	54
Gulpin	Level up	54
Frillish	Level up	55
Lickitung	Level up	57
Kabutops	Level up	63
Lileep	Level up, Egg	64
Omanyte	Egg
Chikorita	Egg

Black 2 and White 2: 25 species

Species	Method	Level
Octillery	Level up	28
Snivy	Level up	37
Servine	Level up	44
Bellsprout	Level up	47
Weepinbell	Level up	47
Carnivine	Level up	47
Tangela	Level up	49
Jynx	Level up	49
Tangrowth	Level up	49
Serperior	Level up	50
Kabuto	Level up	51
Seviper	Level up, Egg	53
Tentacool	Level up	54
Gulpin	Level up	54
Frillish	Level up	55
Lickitung	Level up	57
Lickilicky	Level up	57
Tentacruel	Level up	61
Jellicent	Level up	61
Kabutops	Level up	63
Lileep	Level up, Egg	64
Swalot	Level up	66
Cradily	Level up	76
Omanyte	Egg
Chikorita	Egg

Black and White: 25 species

Species	Method	Level
Octillery	Level up	36
Snivy	Level up	37
Servine	Level up	44
Bellsprout	Level up	47
Weepinbell	Level up	47
Carnivine	Level up	47
Jynx	Level up	49
Tangela	Level up	50
Tangrowth	Level up	50
Serperior	Level up	50
Kabuto	Level up	51
Tentacool	Level up	54
Gulpin	Level up	54
Frillish	Level up	55
Lickitung	Level up	57
Lickilicky	Level up	57
Tentacruel	Level up	61
Seviper	Level up, Egg	61
Jellicent	Level up	61
Kabutops	Level up	63
Lileep	Level up, Egg	64
Swalot	Level up	66
Cradily	Level up	76
Omanyte	Egg
Chikorita	Egg

HeartGold and SoulSilver: 20 species

Species	Method	Level
Octillery	Level up	36
Carnivine	Level up	41
Tentacool	Level up	43
Jynx	Level up	44
Bellsprout	Level up	47
Weepinbell	Level up	47
Gulpin	Level up	49
Tangela	Level up	50
Tangrowth	Level up	50
Kabuto	Level up	51
Lickitung	Level up	53
Lickilicky	Level up	53
Tentacruel	Level up	55
Seviper	Level up	55
Swalot	Level up	59
Kabutops	Level up	63
Lileep	Level up, Egg	64
Cradily	Level up	76
Omanyte	Egg
Chikorita	Egg

Platinum: 20 species

Species	Method	Level
Octillery	Level up	36
Carnivine	Level up	41
Tentacool	Level up	43
Jynx	Level up	44
Bellsprout	Level up	47
Weepinbell	Level up	47
Gulpin	Level up	49
Tangela	Level up	50
Tangrowth	Level up	50
Kabuto	Level up	51
Lickitung	Level up	53
Lickilicky	Level up	53
Tentacruel	Level up	55
Seviper	Level up	55
Swalot	Level up	59
Kabutops	Level up	63
Lileep	Level up, Egg	64
Cradily	Level up	76
Omanyte	Egg
Chikorita	Egg