Where is the light season ticket constellation?

Grave soil. In the game "Light Encounter", there are many maps for players to explore. After purchasing season tickets, players can unlock the season ticket constellation, but they need to go to the tomb map to unlock it manually to get the season ticket constellation. Light Encounter is a social adventure game developed by game producer Chen Xinghan and his team Thatgamecompany. Operated by China Netease Game Agency.