Originally Posted by
Ryethe
Fire elemental uptime on a 4 minute fight is the same with and without the glyph. The difference is you can pool all your 2nd CDs (coin, EM, potion, etc) to happen with your 2nd fire elemental giving your fire ele more boosted uptime. You are losing 10s of FE hero time but gaining 20s of coin, 25s of potion and 20s of EM on your FE.
Effectively your 1m of fire ele looks like: "50s potion, 40s coin, 40s EM, 15s trinket proc (guaranteed on pull) and 30s hero" vs. "25s potion, 20s coin, 20s EM, 15s trinket proc and 40s hero"