The costs and requirements to upgrade Covenant gear are: Also note that upgrading Covenant gear costs Anima. To unlock the ability to upgrade your Covenant gear, you’ll need to complete Chapters in your Covenant quest, which means you’ll need to be earning Renown in order to unlock those chapters.
Rewards from later Chapters will start at higher ranks. There are 7 possible ranks for Covenant armor, and the Covenant armor you receive will start at different ranks, depending on how far into the campaign you unlock it. Guy Yearmo Location How to Upgrade Covenant Armor