Artifacts are rare ability from either Summer Raid, Challenge Raid or Token NPC as of now i found 7 artifacts. which can be found in artifact chest
Artifact of Dimensional - Grant user the ability of portal gamepass. you can use this to teleport to any island without limitation.
Artifact of Resurrection - as the name comply this artifact grant ability of Resurrection apon dying you will be sent back to when you were 8 second ago
Artifact of Fire Body - Grant the user 25% to burn the NPC you damage with the 20% of the damage you dealt last 5 second
Artifact of Dismiss - Apon killing any type of NPC there a 25% chance of dropping Purple Orb which of collected grant user invincibility for 8 second and 15 second cooldown
Artifact of self healing - as the name comply grant you ability of healing 20% of your hp with a 15 second cooldown
Artifact of Unsightlyrage - Grant user damage and damage resistant buff for 10 second
Artifact of PinPoint - Grant user Crit Chance