You can evoke a spirit right now.
Start doing the LBRP every day - Is there a daemonic version to the LBRP - #31 by leo
When you decide to evoke a spirit, just get the spirit’s sigil and enn, and call for the spirit.
You can also use these chants to make it easier to connect - 4 Incantations To Conjure Limitless Power [EAK] - Become A Living God