Last chapter revealed you don't need to have senju DNA to use IZANAGI and IZANAMI. This left so many of us confuse about IZANAGI user requirements. However, that is not the case! Come to think of it, If you are not a uchiha and you do not have uchiha blood, my best guess is, you can only use izanagi and izanami unless you collecting Senju DNA and uchiha.
So meaning if you are not a uchiha, anable for you to use Izanagi , you require senji and uchiha power to pull that out
So meaning if you are not a uchiha, anable for you to use Izanagi , you require senji and uchiha power to pull that out