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 Oracle11.1%Highest win rate Initiate52.7%

Item Usage Across Ranks

Peak usage Oracle11.1%
9.6%10.6%11.6%10.9%Initiate10.7%Seeker10.7%Alchemist10.8%Arcanist10.8%Ritualist11.0%Emissary11.0%Archon11.1%Oracle11.0%Phantom11.0%Ascendant10.1%Eternus

Item Win Rate Across Ranks

High Initiate52.7%Low Eternus51.7%
50.8%52.2%53.6%52.7%Initiate52.5%Seeker52.7%Alchemist52.6%Arcanist52.7%Ritualist52.6%Emissary52.5%Archon52.3%Oracle52.5%Phantom52.0%Ascendant51.7%Eternus

Estimated Item Buyers In Each Rank

Total buyers 833.6K
53.3KInitiate88.0KSeeker59.0KAlchemist65.6KArcanist79.2KRitualist107.8KEmissary101.8KArchon118.6KOracle63.5KPhantom72.9KAscendant23.8KEternus

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