haha go beyond the limits!!
About looking too much alike, i don't think it is. It has your touch all around.
But Darksiders team pulled arguably one of the greatest concept work in the industry, so if you have them as reference, you are kinda pursuing greatness, think about it.
This is super common, hell, look at blizzard super praised art style, it drinks a lot from many classic tradicional fantasy painters.
I'm not naming or pointing fingers, it's just the way art evolves. Nothing is created out of the blue.