In Pokémon Vortex, region forms of certain Pokémon can be obtained. To be able to encounter or evolve a regular Pokémon into a Hisuian form, a player must be within, or have completed the Sinnoh region of Sidequests. When you continue beyond this point and begin a new region, Hisuian forms will no longer be obtainable until sidequests have been reset and completed up to Sinnoh again.
There are 25 Pokémon connected to this region.
Wild Encounters and Their Evolutions
Note: While a player has to be in the Sinnoh region to encounter a wild Hisuian form Pokémon, the following are able to be evolved at any time.
| Wild Pokémon | Evolution Method | Evolves Into |
|---|---|---|
 Growlithe (Hisuian) |
 Fire Stone → |
 Arcanine (Hisuian) |
 Voltorb (Hisuian) |
 Leaf Stone → |
 Electrode (Hisuian) |
 Qwilfish (Hisuian) |
 Level 45 → |
 Overqwil |
 Sneasel (Hisuian) |
 Razor Claw → |
 Sneasler |
 Zorua (Hisuian) |
Level 30 → |
 Zoroark (Hisuian) |
Evolved from Regular Pokémon
Note: These additional evolution options are only available while within the Sinnoh region.
| Regular Pokémon | Evolution Method | Evolves Into |
|---|---|---|
 Quilava |
Level 36 → |
 Typhlosion (Hisuian) |
 Dewott |
Level 36 → |
 Samurott (Hisuian) |
 Petilil |
 Sun Stone → |
 Lilligant (Hisuian) |
 Rufflet | ||
Level 54 → |
 Braviary (Hisuian) | |
 Goomy | ||
Level 40 & Level 50 → |
  Sliggoo (Hisuian) then Goodra (Hisuian) | |
 Bergmite |
Level 37 → |
 Avalugg (Hisuian) |
 Dartrix |
Level 36 → |
 Decidueye (Hisuian) |