Beasts.

Beasts in Arena X.
I updated the format for this, so I hope it looks good. Beasts can be obtained by entering the game, collecting stickers, buying them for Robux or PVP Coins, etc. Their skins consist of: Normal, Shiny, Golden, Shadow, The beasts in the game consist of:Cactey -> Crackten.

Lurchin.

Trapyte -> Bytes -> Trapnash.

Eeti -> Allihen.

Nucleo -> Radiom -> Atomicom.

Sawufo -> Multiufo.

Mislemoth.

Deemii -> Feemix/Leenya/Breench/Drageet.

Clawdew -> Gorelcrow.

Licyan.

Sauker.

Ashish -> Ashlix.

Flit -> Fleowtin -> Furrowton.

Nobelisk -> Spearamid.

Drapip -> Shadlix -> Drapix.

Volkato -> Metecano.

Ano.

Spiritie -> Soulsir -> Phantleman.

Gloomstone -> Gloomtrio.

Pelo -> Tablemeo.

Pumet -> Pumpking.

Eydoe -> Blinkdash -> Retinord.

Cuppyque -> Queteam -> Crumblek.

Minta -> Mantewhirl.

Bewni -> Frosnew.

Snowling -> Trunkstorm.

Gemfin -> Cryslish.

Spidillow -> Sleepider.

Sykwrath.

Sandoom.

Aphitious.

Oweldino -> Icefuris.

Kiflame -> Craneblaze.

Chelect -> Thunado.

Kember -> Kemblitz.

Chaos -> Bedlam -> Phados.

Charbot.

Korncan -> Draykorn.

Soulstance.

Snoball -> Snoton -> Sinistix.

Raicron.

Grinchler -> Grinchax.

Here's an example of what you'll see for a beast:

Coloseed -> (Leveled to 34) -> Callamask
Moves:

Take Down

Absorb

Vine Whip (7)

Poison Sting (12)

Toxic (17)

Mud Bomb (38)

Ancient Power (49)

Mega Drain (56)

Gunk Shot (68)

Solar Beam (75)