In Pokémon Emerald, the moves that Gyarados are capable of learning through level up are Thrash which is a start move and then it will learn Bite at Level 20, Dragon Rage at Level 25, Leer at Level 30, Twister at Level 35, Hydro Pump at Level 40, Rain Dance at Level 45, Dragon Dance at Level 50 and Hyper Beam at Level 55.
Azumarill is a water-type Pokemon that evolves from Marrill starting at level 18. In the third generation, its most powerful moves are Double-Edge at level 34, Rain Dance at level 45, and Hydro Pump at level 57.
Goomy evolves into Sliggoo starting at level 40. It will later evolve into Goodra at level 50 during rain (either natural or by using the move Rain Dance).
Route 213
Any water type move!
Gyarados can learn the following moves in Pokemon emerald: 20- Bite 25- Dragon Rage 30- Leer 35- Twister 40- Hydro Pump 45- Rain Dance 50- Dragon Dance 55- Hyper Beam
It learns Hydro Pump and Rain Dance through level up. Through TM and HM, it can learn Water Pulse, Surf, Waterfall, and Dive.
In Pokémon Emerald, the moves that Gyarados are capable of learning through level up are Thrash which is a start move and then it will learn Bite at Level 20, Dragon Rage at Level 25, Leer at Level 30, Twister at Level 35, Hydro Pump at Level 40, Rain Dance at Level 45, Dragon Dance at Level 50 and Hyper Beam at Level 55.
The Red Gyarados' moves from Level 1 to Level 100 are as follows: Thrash, Bite at Level 20, Dragon Rage at Level 23, Leer at Level 26, Twister at Level 29, Ice Fang at Level 32, Aqua Tail at Level 35, Rain Dance at Level 38, Hydro Pump at Level 41, Dragon Dance at Level 44 and Hyper Beam at Level 47.
Most Water type Pokemon can learn Rain Dance, like Gyarados, Marill and Blastoise. Some non-water types can learn it too, like Solosis, Tailow and Woobat. If you're asking what Pokemon learn it while leveling up, it includes Pokemon like Castform, Milotic and Tympole.
The moves Gyarados can learn via level up in Pokémon Platinum include ones such as Bite, Leer, Thrash, Dragon Rage, Twister, Aqua Tail, Twister, Ice Fang, Hydro Pump, Rain Dance, Dragon Dance and the normal-type damaging attack; Hyper Beam.
level move power 1 thrash 90 20 bite 60 23 dragon rage --- 26 leer --- 29 twister 40 32 ice fang 65 38 rain dance --- 41 hydro pump 120 44 dragon dance --- 47 hyper beam 120
Level 7 it learns absorb; level 13, nature power; level 21 it learns mist; level 31 is rain dance, and reaching level 43 will give it mega drain.
Tentacool will learn Bubblebeam at level 19; Water Pulse at level 33 and Hydro Pump at level 47. You can always teach him the following TM's and HM's: Scald, Rain Dance, Surf, Whirlpool, Dive, Waterfall and Brine.
Well a blastoise knows rain dance and you don't need a Pokemon that NEEDS to straight away know the move you can really find the TM rain dance and i don't really know why you need the move rain dance because it isn't really a good move that a Pokemon should know but if you want to then i may as well help you with anything.
Azumarill is a water-type Pokemon that evolves from Marrill starting at level 18. In the third generation, its most powerful moves are Double-Edge at level 34, Rain Dance at level 45, and Hydro Pump at level 57.
Lvl.1-Thrash Lvl.20-Bite Lvl.23-Dragon Rage Lvl.26-Leer Lvl.29-Twister Lvl.32-Ice Fang Lvl.35-Aqua Tail Lvl.38-Rain Dance Lvl.41-Hydro Pump Lvl.44-Dragon Dance Lvl.47-Hyperbeam These are moves that Gyarados learns, but additional moves may be taught to it using TMs.