Riddle of Time's Turn

You know the drill by now. Good luck, keep thinking. Who/What am I? My time shifts as you do. After you have finished her work, again and again, and received her invitation, you may take on the time's turn. I glow with the brightness of an upcoming darkness, but I possess infinite forms. Now, you have been granted the power to accomplish all, for it is near the end of the never-ending cycle. [b][i]Winner:[/i][/b] [spoiler]Furious_Trashbag[/spoiler] [b][i]Answer:[/i][/b] [spoiler]The Sunsetting Shader[/spoiler] [b]Explanation:[/b] [spoiler]"My time shifts as you do." -Since you're wearing the shader, it essentially shifts as you do, because it's on you. "Finished her work..you may take time's turn." -After you have reached Rank 4 for Eris Morn, and received the emblem that she gives you, you can buy the Sunsetting shader. "Brightness of an upcoming darkness." -It glows orange, the color of the setting sun, the bright glow foreshadowing the impending night. "Infinite forms." -It can be applied to countless armor piece combinations where it would look different. "You have been granted the power accomplish all," -"THERE'S NOTHING YOU CAN'T DO NOW, GUARDIAN!!!!!" -Eris being crazy once you buy something. "Near the end of the never-ending cycle." -Sunsetting is near the end of the day, which will start again, and repeat the day cycle countless more times.[/spoiler] My Riddle Archive: https://www.bungie.net/en/Forum/Post/131675380/0/0