This article or section may contain obsolete information, but exists here for historical purposes. "You belong in a museum!"
Hitting an enemy champion with an ability (
) or basic attack (
) marks them with
for 3 seconds. At 3 stacks, the target is dealt
10 − 180 (based on level)
(30% bonus AD)
(10% AP) magic damage
in an area around them.
can only be triggered once every
25 − 15 (based on level)
Persistent area of effects, such as and , hit with each application of damage. Applied damage over time effects, like or , only hit once.
is a tier 6 Cunning Keystone
Thunderlord's Decree's cooldown is general (not per-target)
will apply more damage on one single-target spell (i.e. over 4 seconds) than Thunderlord's Decree if a champion has more than 573 or more than bonus AD 1146 AP.
Removed due to Season 2018.
Replaced by .
Bug Fix: Cooldown no longer resets on certain revive effects, such as or .
Cooldown changed to
25 − 15 (based on level) seconds from 20 at all levels. Stack duration reduced to 3 seconds from 5 seconds.
AD ratio increased to 30% from bonus AD 20% . bonus AD
Cooldown reduced to 20 seconds from 30.
November 17th Hotfix
Bug Fix: Fixed a bug where the per-target cooldown was unique across multiple champions with the mastery.
Tier 6 Cunning Keystone mastery with 1 rank.
Hitting an enemy champion with an ability ( ability damage) or basic attack ( on-hit) marks them with Thunderlord's Decree for 5 seconds. At 3 stacks, the target takes 10 − 180 (based on level) (+ 20% bonus AD) (+ 10% AP) magic damage. Thunderlord's Decree can only be triggered once every 30 seconds.