The phrase "spirit orbs" is often used to describe small circles or balls of light that some people believe are spirits or energy from another realm. Full definition
Introduced at the start of the game as a means to unlock Runes - special abilities Link can use to manipulate objects to solve puzzles - they later reward Link with Spirit Orbs, which can be traded in for permanent Stamina and Heart Container upgrades. (eurogamer.net)
As you'll see when you complete The Isolated Plateau quest when visiting the Temple of Time, you can trade in Spirit Orbs for Heart Containers at statues throughout the world. (eurogamer.net)
For the purposes of this review, I was given a cache of 40 spirit orbs which I never used as I wanted to test the viability of Duelyst «s free - to - play model. (ludonarrativeassonance.com)