Escape timings
Normal · Trio: 1 gate (close 11:00) · 1 rift at 9:00 · 1 rift at 12:00 (end zone) · 2 soul ferries at 8:05
Cataclysm · Trio: 1 rift at 12:00 (end zone) · 2 soul ferries at 8:05
Rift spawn markers are candidate spots — each wave opens at a subset of them.