https://www.warcraftlogs.com/reports/qtyPkmgDc6wGznfW?fight=last&type=damage-done&source=37
i have 3 fights on this boss and i got 63, 59 and now 64. i'm at a point now where i don't know what else to do to improve, not necessarily only on this fight but this one is a good example i think.
Warcraft Logs