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Before my Skill Leveling were to begin, however, I glanced at the two last skills I had yet to check, one of them being the third Summoner Skill, Advanced Familiar Fusion, and the other being the new Summoner Title.
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[Advanced Familiar Fusion: Lv1]
Skill Proficiency: 0/10000
A Special Skill that only Summoners can learn, it grants the ability to create a brand new Advanced Familiar by merging existing Familiar Cards. This Familiar is different from those created through Familiar Synthesis and cannot be registered as a Familiar within the Grimoire.
However, to compensate for that, they're extremely powerful compared to other familiars, and their strengths and abilities depends in the familiar cards you sacrifice to summon them. The higher the skill level, the stronger, more advanced summons are available.