Raid is a endgame game mode that requires a party of 6 players. Raids are the most difficult PvE content in Destiny. Vault of Glass was released on September 15, 2014
Vault of Glass
Vault of Glass - Level 26
Vault of Glass Hard Mode - Level 30
Crota's End
Crota's End - Level 30
Crota's End Hard Mode - Level 33
The Arena
The Prison of Elders - Level 32
The Prison of Elders Hard Mode - Level 35