At the beginning, after finnaly settling in the town and discovering his ability, after almost breaking his house he received from the community, he didn't understand it very well, changing very often without thinking to do so, getting his clothes ripped off and sometimes almost getting discovered while working or shopping, so he first decided to train it. The ability was a little bit easier to understand and also discover different ways he can change, the most interesting one is after absorbing some DNA of a different species, changing into it but also gaining the characteristics and abilities of it, like wings of a bird and even gills of a fish but also change them, like having the wings on the back, instead of arms and even "absorb" them and only taking them out when he needs to but even after all this training, spontaneous tranformation still happened, but where more manageable, but he then decides to checks his origins, meaning the abandoned laboratory.
He was there multiple times, cleaning and preparing different rooms, to be used for either training, storage or simply relaxing. In one of the rooms, he collected all the documents, books and other things that were related to him, some having more scientific information written on them and some having more magical theories and other similar things. The only way to enter and leave it it's through the hole in the ceiling, that was most likely done by some kind of spell, because the walls and ceiling were unable to be destroyed, even the broken parts from them, most likely were reinforced through some way. The light wasn't the best, because most of the electronics where either broken intentionally or encrypted, so he often used a more night-related avian or one with very good eyesight, to see in the dim light.
After getting back, he decides that this time he would change into a crow, being the most clever of the species that had this characteristics but also the only one he had the DNA sample at hand. Before going down, he started absorbing the feather be previously got from a crow nest, while going though the forest. After absorbing it, his body first started chasing his size, becoming smaller but also having both of his legs and arms change, becoming similar to a crows, with sharp claws. He then began losing all the hair, getting changed with feather. His snout started changing, becoming a big beak but also a pair of wings started growing.
After he changed completely, he put the clothes he had away and descended down in the room. Getting down was easy, being not a high fall, so after doing so, he put the wings away and put the lab coat he previously left it and started researching. It took a couple of days of researching, reading books and looking though samples when he finnaly found out what he needs to do, so he can make everything easier, he needs to make a system.

Wonderful drawing made by  KeeVeeArt

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