Star Fragment

Star fragment are nessecary item to learn the seven constellations. When you learned the whole constellation you will recieve an extra skill. But every star you learn in that constellation will also give extra stats.

They can be bought at the Class Registration npc and they are a regular drop of the Deep Treasure boss.

The seven constellations are:

Ursa-Minor

Lyra

Perseus

Cygnus

Ophiuchi

Hercules

Orion