If you are "looking at" something through a telescope, "revenant" might be a mishearing of (a character from Destiny 2 with an eyechart guide) or simply a request for a stargazing guide. Beginners are often pointed to resources like: A Humble Guide to Enjoying TENET on your First Watch

If you are looking for a guide related to this specific phrase, it most likely refers to one of the following: 1. General Romanian Language Use

Resetting water levels to earn a gold gas mask and a custom gun blueprint. 4. Astronomy and Stargazing