Box of Masteryalso known in game data as “Artifact Box Advanced”

PTR OnlyBox

Box of Mastery is a consumable in SpiritVale, dropped by 23 monsters.

A sealed relic box marked with polished bronze trim, its weight shifting as if the artifact inside has not chosen its shape. Contains a random advanced class artifact.

Contains 8

Deadeye Umbral Veil Manifold Arcane Elementalist Aegis Light Sanctum Grace Bloodfury Gravebound

Dropped by 23

Monster	Lv	Chance
BOSS Echo Berserker Master	155	0.3%
BOSS Echo Gunslinger Master	155	0.3%
BOSS Echo Necromancer Master	155	0.3%
BOSS Echo Paladin Master	155	0.3%
BOSS Echo Priest Master	155	0.3%
BOSS Echo Shinobi Master	155	0.3%
BOSS Echo Weaver Master	150	0.3%
BOSS Echo Wizard Master	155	0.3%
Echo Acolyte	145	0.03%
Echo Berserker	150	0.03%
Echo Gunslinger	150	0.03%
Echo Knight	145	0.03%
Echo Mage	145	0.03%
Echo Necromancer	150	0.03%
Echo Paladin	150	0.03%
Echo Priest	150	0.03%
Echo Rogue	145	0.03%
Echo Scout	145	0.03%
Echo Shinobi	150	0.03%
Echo Summoner	145	0.03%
Echo Warrior	145	0.03%
Echo Weaver	150	0.03%
Echo Wizard	150	0.03%

Crafting

Crafted at The Echoing Spire · Lv 146–155

Umbral Fragment ×50

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