Mount drop chances on Legacy raids?

[Silverleigh-drakthul]

Maybe this will help:

Legacy Loot Coming to Legion Instances

With scheduled weekly maintenance the week of March 31, we’re enabling Legacy loot rules in Legion raids and dungeons. We’re reached that point in an expansion where the content from the previous expansion no longer requires a full group, and the rewards are primarily sought by transmog collectors. With this change, Legion raid and dungeon encounters will drop a fixed quantity of class-agnostic loot. Today, if you and one other player enter Emerald Nightmare on Mythic difficulty and kill Nythen…