Lands of Auferstan: Life After

He Isekaied unwilingly with The power for any 'thing' he so wishes can be granted. But, his powers are limited, objects that existed in 1900 to 1950 are the only objects he can create with the help of the 'voice' that grants them. Reincarnated in another world; Auferstan. He, Hierd, with his power and the ongoing war in the continent, uses his power for the 'greater good.' But hidden forces deter his actions.