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Now that I know that Subclasses can gain EXP individually from merely fighting monsters, I gained a slight amount of hope. However I cannot really hope that I will gain easy amounts of EXP over time. I can already guess it won't be anything too easy, but so be it. Before making up my mind, I wanted to inspect the last thing, however. Something related to the Invoker Class. I asked the Guider and information emerged over the Grimoire's pages quickly after
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[Invoker: ★]
The First Talent within the branch of the [Summoner]. By leveling up and evolving this Talent, new Talents related to Summoning might emerge after reaching max level. This Talent enhances the ability to summon special Spirit Familiars, different from the conventional Spirits that inhabit Spirit Orbs. But it also can enhance Spirit Orb Spirits.
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