I just opened winter and heaven, in heaven you can exchange 15 kals for a framestone and you can do the rebirth quest with the rebirth npc at argent.
Rebirth quest: (lv75 +)
Items need:
x5 Medal of the Invincible Knight dropped by Death Knight
x5 Earthen Core dropped by Huge Mud Moster
x5 Spirit Elixir dropped by Wandering Soul
x5 Necklace of Snowman Warlord dropped by Snowman Warlord
x1 Ancient Generator Fragment dropped by Barborosa
x1 Dragon Key dropped by Black Dragon
Rebirth gives special stat bonus for each class and regular rb skills.
Rebirth quest: (lv75 +)
Items need:
x5 Medal of the Invincible Knight dropped by Death Knight
x5 Earthen Core dropped by Huge Mud Moster
x5 Spirit Elixir dropped by Wandering Soul
x5 Necklace of Snowman Warlord dropped by Snowman Warlord
x1 Ancient Generator Fragment dropped by Barborosa
x1 Dragon Key dropped by Black Dragon
Rebirth gives special stat bonus for each class and regular rb skills.