Empty Soul

Like grey souls, empty souls are weakened souls.

If someone has an empty soul, it means that their power was either extracted by force or that they used too much magic and/or power, the latter usually being the case.

Appearance
Whenever someone's soul becomes an empty soul, their soul contains an outline with an empty center. The color of the outline depends upon the trait of the human.

Facts by Camila

 * This is usually the result of the subject overusing their magic or the far more unlikely case by someone else extracting their soul's magic by force, such as when Frisk got his Determination extracted by the determination extractor.
 * Having this soul means the user still has its trait and magic, but the ability to use magic is disabled. For example, if Frisk's soul is empty, that means he has his Determination trait and he has his magic, but he doesn't have enough magic in his soul to fight because his soul is empty.

Trivia

 * When Chara's soul became empty, they gave it to Asriel to use as a vessel to hold both Asriel's soul and the human souls. Thus, empty souls can be used as vessels for other souls.
 * When Frisk's DETERMINATION got extracted by Chara in *Determination, they were too weak to fight for the rest of the episode and for the majority of "Your Best Friend." However, their DETERMINATION came back in Your Best Friend when Frisk realized Chara would kill Asriel if he didn't will his DETERMINATION to come back.
 * The difference between an empty soul and a grey soul is that Empty souls still have their trait, but cannot use their magic. This is vice-versa for grey souls, as they are caused by losing one's trait.
 * King, the final boss in the first chapter of Deltarune, has an attack where he drags the bullet board via a heart that looks like an Empty Soul. Since Empty Souls were featured in Glitchtale long before the first chapter was released, it's not possible that Glitchtale's Empty Souls were inspired by this attack, but it may be possible that the opposite is true.

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