For join to the Raid in the Guild Challenge, you must follow provision at below:
- Your character should be at least level 14 to play Raid.
- You need gold keys to play Raid.
- Monsters in Raid are stronger than the ones in other dungeon.
- You can get Soulstones if you defeat Raid monster.
- You can joind a Raid room that isn’t full.
- The time limit for Raid is 15 minutes.