Here is the full list of all 9 Dragon Uprising Online Playtest achievements.
Upgrade (1) item to +11
Upgrade (5) items to +16
Upgrade (5) Equipement to +16
Upgrade (5) items to +18
Upgrade (1) item to +18
Upgrade (5) item to +11
Defeat R-Phantom in less 30 sec alone
Defeat True R-Phantom without take one hit
Defeat Demonic R-Phantom without take one hit in less 3 min