If you are wondering how to use SP in Xenoblade Chronicles 3, it is simple. In short, SP is used to upgrade the Ouroboros form, unlock new skills, Arts, and various abilities. You can use SP inside the Soul Tree menu option after a major boss fight in Chapter 2. Once unlocked, you can use SP inside the Soul Tree by accessing the Interlink option in the Character options menu. After clicking the Interlink option, you can access and unlock new skills, Arts, and abilities inside the Soul Tree menu.
How to unlock Ouroboros Skills, Arts, and Abilities in Xenoblade Chronicles 3
You must first gather SP from winning battles with enemies. After winning a few battles, you can unlock new features inside Soul Tree by hovering over an ability, skill, or Art using the D-Pad or Analog sticks. When you find one you like, you can unlock it by holding down the A key.
How to farm SP in Xenoblade Chronicles 3
If you want to earn more SP in Xenoblade Chronicles 3, you must farm unique enemies in the game. The more unique enemies you slay, the more SP you will earn. However, you can also earn SP from discovering new landmarks, regions, and opening containers. You can also earn plenty of SP from completing the various quests found in Xenoblade Chronicles 3.
For more on Xenoblade Chronicles 3, we at Pro Game Guides have you covered with the following guides: How to perform Art Combos in Xenoblade Chronicles 3 and How Interlinking works in Xenoblade Chronicles 3.