DeObfuscation

i got a question how in da fuq did anyone de obfuscate the assembly-csharp.dll its a custom obfuscation i tried everything nothing fucking or how did anyone even reverse engineer it in my mind right now its impossible that someone made a code i am asking if anyone has any knowledge of this custom obfuscator AKA Corpsefuscator or has somewhat De-Obfuscated Assembly-Csharp.dll help me please :P

add exora96#1390 on dis

i cant add u for some reason add me N1KT0#5201 if you dont mind