Passive item

Runic Hourglass

Rare·Stacks up to ×3·From the start

+15% duration of abilities, zones and status effects (includes turrets, auras, DOTs).

Rarity

Rare

Max stacks

×3

Where it comes from

Source	Probability	Detail
Chests	30%	Weight 30/100 of a chest’s contents: runes 50 · passives 30 · artifacts 15 · infusions 5.
Merchant	Never	Not among the merchant’s offers.
Level up	Never	Only runes and weapon upgrades appear on level up.

Within its category, rarity is rolled with weights 60 · 28 · 10 · 2 — a Rare comes up 10% of the time. Luck can raise the result one tier: never two, and a Legendary cannot go higher.

How to unlock it

Available from the start: no mission needed.