You Can't Make a Giant Omelette...

You Can't Make a Giant Omelette... is an achievement earned from breaking the Giant Rylak Egg in Darktide Roost,. The egg is located atop the highest peak on the isle, and the main way to get up there is by using Goblin Rocket Packs looted off the goblins below. Quicker ways involve using Aviana's Feather and falling near it, or by simply flying there providing it's unlocked.