Oath of Survival is a limited premium Card Pack available from June 29 to July 7, 2014. Features three Ultra Rare Cards with special ability for Stalking Doom's Bosses. With the appearance of Hidden and Secret Bosses the pack got updated with new cards on July 3rd and July 5th respectively.
Cards Added:
- June 29: Tree-Absorbed Esflonné (UR) Anti-Raid Boss Skill
- July 3: Journeywoman Zona (UR) Anti-Hidden Raid Boss Skill
- July 5: Prominent Aldorea (UR) Anti-Secret Raid Boss Skill
This set the pattern for all upcoming Raid Events.