Skill: Spellcraft
Spellcraft is the practice of magic. It is a parallel to the Knowledge: Esoterica skill, but relies more on one's instinct or inborn ability. Spellcraft can be utilized by even the least magically inclined creatures, so long as they have willpower or strength of personality to call forth whatever magic exists.
Mechanically, Spellcraft is use to identify or manage magic items in the game, as well as whatever is needed to invoke or counter magic. Talents for Spellcraft help introduce different ways of using such it for an adventurer's need, such as using proficiency for it in the stead of crafting or a Recall Action | ◈.
Spellcraft uses INT / Intelligence or CHA / Charisma by default. Spellcraft is a Primary Skill, meaning it is a major skill that can only be gained by mechanics that grant proficiency.