While loki does have the ritual influences of the mansus to use however he chooses, they aren’t the only thing he has. His homunculus physiology is also very useful

His true form, the size of a toddler, can shed away clumps of his clay putty fur to form shells, like the rings of a tree or a nesting doll, increasing his size. This is used to make him around a normal size that doesn’t compound his humiliating appearance any further than it already is, however if he ever gets the time to concentrate on it, or obtain certain influences, he can increase his fur growth rate and become even bigger than an island

This has proven quite effective in certain situations, but it’s not without its downsides:
his impulsive nature has lead to cases of him “spreading himself out too thin”, overtaxing his shedding and leaving his true form vulnerable to attack
He’s also not very energy efficient when enlarged. if he doesn’t use any sheddings to mitigate this problem, a lot of calories are burned while it’s active, potentially to a dangerous degree…

While I-M has insisted that Loki should “grow with experience” instead of using this technique, he’s rarely took this advice to heart, mostly because he tends to take it as “be my baby, you promised as part of our contractual agreement”.

Or because he’s shy, jury’s still out on that…

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