BONUS ARTIFACT XP It's back! This week is the ever coveted and rare Bonus Artifact XP week! Artifact XP gains are DOUBLED when fortifying and ranking up your Artifacts. Any time you use Nth Metal or other Artifacts to add XP to your Artifacts, those gains will be doubled. This week - from Thursday, March 23, 2023, through Wednesday, March 29, 2023 - all players will receive DOUBLE Artifact XP when fortifying Artifacts. PLEASE NOTE: The bonus week will begin this Thursday after the Game Update downtime and will last through Wednesday.