I was reading the ptr and noticed this change, but the problem is a level 63 mob can only drop up to 590, not 600 as it says.
Yes, you can upgrade with umbral shards if you get the named item at 590 but the chance is so incredibly low to happen.
- The following list of named enemies have been updated to level 63 so that they have the potential to grant 600 Gear Score drop rewards for players:
- Edengrove - Baines, Cael, Adjorjan
- Old Mykgard Forest - Unhallowed Soul of Mykgard
- Nihilo Visage - High Priest Oseguera
- Balebane Maw - Articulon the Unshackeld, Mozrul the Herald
- Caminus - Caminus Gate Lord, Overseer Levy
- Spilaio Cavern - Tzi-Wang the Immovable, Dau-Shen the Unstoppable
- East Illurmin - Corrupted Excubitor Luca
- West Illurmin - Pit Lord Daehi
- The Congregation - Mirepaw
- Lambent Muskeg - The Blight Bringer
- Maria’s Rest - Smoothbore Samuel
- Ska Makogai - Thorn of the Heartwood
- Serenity Monastery - Gnasher
- Skysong Crypt - Ivan the Inevitable, Mordici the Mortician, Slayer Rosellen, Farley