"Cult of the Vault" is a challenge from Tiny Tina's Assault on Dragon Keep DLC
Completion
To complete this challenge you need to find 3 Vault Symbols in the Tiny Tina's Assault on Dragon Keep DLC. This trio is found in The Immortal Woods.
The First symbol is found in
The Second Symbol is
The Third Symbol is
Ranks and Rewards
Badass Ranks: 5