Altered Time - your #1 World of Warcraft Mage resource!

Hey guys, just got back into mythic raiding and I feel as though I understand the class/rotation and all things frost mage pretty well, but keep coming up with some fairly low parses. You guys seeing something I am not? https://www.warcraftlogs.com/reports/jdnpr2ZCfbLR8HyF#fight=6&type=damage-done&s...