Son Gohan: reincarnated assassin

from the world of assassin a highly trained young soul transmigrated into a lifeless body of son Gohan. watch him dominate the Gods. the only Saiyan alive limitless potential master in combat and assassination MC is from a world where mana exists. how he used that process this world is to be seen. I am new to this writing thing and English is not my first language. I don't own Dragon Balls 2 chapter a week.