Unlocking both skill swapping and the new skills is mercifully much simpler than it was in the base game.
This guide will help you get there.
This will eventually introduce you to Elgados Arena Master, Arlow.

You dont have to slay the Arzuros released in the arena to complete the tutorial.
To unlock the second batch of new Switch Skills, you need toreach Master Rank 4.
Once you do, you will receive a notification that Master Utsushi wants to speak to you.

The second set is a bit more complicated.
If you want to unlock them all, it’s crucial that you repeat this for all weapon types.
The third set of base game skills involvesa series of Hub quests.

Each quest unlocks a new Switch Skill for one weapon.
Those of you who are further along can also check out our guid to theGarangolmfight at MR3.