Thendiel, at the 60s mark, you go PH -> TT -> VP -> BOTD -> FT right, keeping BotD up 100%?

Try this. Instead of popping it straight away, keep going and do PH -> TT -> VP -> FT -> 4TH -> GK -> HT -> ID - > DIS, then pop BotD. You have 2 GCDs of BotD downtime, but you get to fit in another Geirskogul.