User:SodaDog/Sandbox/TestPage10

is a new feature introduced in Yo-kai Watch 4.

Matchmaking
In Matchmaking, each Yo-kai have an individual set of Souls that are required to be created from them. Souls can be obtained either via the Crank-a-kai or by extracting them from Yo-kai during regular battles.

Equipment Customisation
Equipment can be upgraded and customised using a specific number of Souls.

Training
Allows Yo-kai's stats to be enhanced with Souls.

Soul List
Allows souls to be exchanged for other ones.