Duration Extender
Duration Extender
Upgrade Spirit Tier 2

Duration Extender

1,600 Passive Spirit Power
Imbue an ability to increase its Duration.

Item Details

Cost 1,600
Purchased 564.2K
Avg buy time 17:44
Avg sell time 23:42
Updated May 29, 2026

Heroes That Buy Duration Extender

Vyper Vyper Assassin Buy rate 71.6% Win rate 46.0% Matches 898
Victor Victor Brawler Buy rate 70.5% Win rate 52.8% Matches 559
Calico Calico Assassin Buy rate 68.7% Win rate 53.7% Matches 607
Lash Lash Assassin Buy rate 68.5% Win rate 45.6% Matches 2.7K
Wraith Wraith Marksman Buy rate 61.4% Win rate 47.4% Matches 5.8K
Celeste Celeste Marksman Buy rate 60.8% Win rate 46.0% Matches 3.0K
Mina Mina Marksman Buy rate 59.9% Win rate 47.5% Matches 3.4K
Billy Billy Brawler Buy rate 57.7% Win rate 50.3% Matches 8.5K
Grey Talon Grey Talon Marksman Buy rate 56.6% Win rate 53.5% Matches 21.7K
Yamato Yamato Assassin Buy rate 55.5% Win rate 51.8% Matches 4.2K

Duration Extender By Rank

Highest usage Eternus12.8%Highest win rate Emissary53.4%

Item Usage Across Ranks

Peak usage Eternus12.8%
9.9%11.6%13.3%10.8%Initiate10.6%Seeker10.4%Alchemist10.6%Arcanist10.8%Ritualist11.1%Emissary11.3%Archon11.6%Oracle12.0%Phantom12.3%Ascendant12.8%Eternus

Item Win Rate Across Ranks

High Emissary53.4%Low Initiate52.3%
51.4%52.8%54.3%52.3%Initiate52.9%Seeker52.8%Alchemist53.2%Arcanist52.6%Ritualist53.4%Emissary53.2%Archon53.1%Oracle52.5%Phantom52.8%Ascendant53.4%Eternus

Estimated Item Buyers In Each Rank

Total buyers 341.1K
15.5KInitiate32.5KSeeker22.6KAlchemist27.6KArcanist33.5KRitualist44.0KEmissary41.7KArchon52.0KOracle28.4KPhantom33.1KAscendant10.3KEternus

Item Info

Type Upgrade
Slot Spirit
Tier Tier 2
Class Name upgrade_arcane_extension

Item Description

Imbue an ability to increase its Duration.

Item Stats

ChannelMoveSpeed -1m
AbilityUnitTargetLimit 1
Ability Duration +22%
Charge Delay -1.0s

Upgrade Bonuses

BonusAbilityDurationPercent 12