We all know know evolutions such as william birkins transformations, Zombie to Crimson heads, what else do you think transforms? from what i found out here are some Evolution Processes.
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Creatures
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---------Zombie------------------------>Hyper Zombie-->Crimson Head--->Botanic Zombie---->Regi's Licker-------->Licker----->Licker β--->??
Zombie + Leech = Leech Zombie
Zombie + Plant = Botanic Zombie
-------->Glimmer------>MA-125 Hunter R----->Hunter--------->Hunter Elite------->MA-121 Hunter α----->???
Indeed there are so many other evolutions, i plan to make a complete guide Of Them If you know anymore. If you wish to add something quote what should be put after,