INFO ABOUT NEUTRAL SPIRITS:

These spirits can't be summoned by Andy alone and he'll require someone's help to summon them.

These spirits are mostly powerful however can or can't be used for the selfish purpose of Lord Fugosa as the spirits are responding to more than one individual's call and the role of other summoner is important here.
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(p.s - In easy words, it's the Collab section. Collab works with other graphic designers will be posted under this section.)