No URF-specific changes; identical to the Summoner's Rift version.
Effects
Unique Passive · Steadfast
Taking magic damage from champions generates a stack of Steadfast for 7 seconds, stacking up to 8 times with the duration refreshing on subsequent magic damage from them and whenever dealing damage to them. Becoming immobilized by an enemy champion generates 2 stacks and also refreshes the duration. Once per cast instance, each incoming basic attack, ability, or item effect can only generate 1 stack of Steadfast from their damage every 1 second. At maximum stacks, gain 70 bonus magic resistance and 6% bonus movement speed.
Patch history
14.19
Combine cost increased to 750 g from 700 g.
Total cost unchanged.
Movement speed reduced to 4% from 5%
Steadfast bonus movement speed reduced to 6% from 10%.
Summoner's Rift · URF · One for All · Swiftplay · Ultimate Spellbook · ARAM · Nexus Blitz · Arena
400 health, 55 magic resistance, 5% movement speed.
Unique Passive - Steadfast: Taking magic damage from champions grants a stack of Steadfast for 7 seconds, stacking up to 8 times with the duration refreshing on subsequent magic damage from them and whenever dealing damage to them. Becoming immobilized by an enemy champion grants 2 stacks and also refreshes the duration. Damaging basic attacks and spells per cast instance can only grant 1 stack of Steadfast every 1 second. At maximum stacks, gain 70 bonus magic resistance and 10% bonus movement speed.
Stats: 400 health, 60 magic resistance, 5% movement speed.
Unique Passive - Absorb: Taking magic damage from champions grants a stack of Steadfast for 7 seconds, stacking up to 10 times with the duration refreshing on subsequent magic damage from them and whenever dealing damage to them. Becoming immobilized by an enemy champion grants 2 stacks and also refreshes the duration. Damaging basic attacks and spells per cast instance can only grant 1 stack of Steadfast every 1 second.
Unique Passive - Dissipate: While at 10 stacks of Steadfast, gain 10% bonus movement speed and 30 bonus magic resistance.
Limited to 1 Force of Nature.
13.10
Total cost reduced to 2800 g from 2900 g.
Combine cost reduced to 700 g from 800 g.
Health increased to 400 from 350.
Magic resistance reduced to 60 from 70.
Absorb maximum stacks increased to 10 from 6.
Removed: Dissipate no longer grants 25% magic damage reduction.
New Effect: Dissipate now grants 30 bonus magic resistance.
12.2
Bug Fix: Fixed a bug where taking damage from certain jungle monsters would sometimes incorrectly grant Absorb stacks.
12.1
Absorb stack duration increased to 7 seconds from 5.
Dissipate damage reduction increased to 25% from 20%.
14 older patches
11.23
Magic resistance increased to 70 from 60.
Unique Passive - Absorb:
New Effect: Taking magic damage from enemy champions grants a stack of Steadfast for 5 seconds, up to a maximum of 6. Becoming immobilized by an enemy champion grants 2 additional stacks. Spells can only grant 1 stack of Steadfast every 1 second.
Old Effect: Taking ability damage grants you 8 bonus movement speed and 4 bonus magic resistance for 5 seconds, stacking up to 5 times for a maximum of 40 bonus movement speed and 20 bonus magic resistance. Each unique ability gives 1 stack.
New Unique Passive - Dissipate: While at 6 stacks of Steadfast, gain 10% bonus movement speed and reduce all incoming magic damage by 20%.
11.3
Absorb bonus movement speed per stack increased to 8 from 6.
Maximum bonus movement speed increased to 40 from 30.
Stats: 350 health, 60 magic resistance, 5% movement speed.
Unique Passive - Absorb: Taking ability damage grants you 6 bonus movement speed and 4 bonus magic resistance for 5 seconds, stacks up to 5 times and each unique ability gives 1 stack.
Limited to 1 Force of Nature
10.17
Removed from the game on August 24th, 2020 (11:59 PM PDT) since Nexus Blitz is no longer available.
10.15
Available on Nexus Blitz on July 22nd, 2020 (11:59 PM PDT).
9.1
Removed from the game on January 21st, 2019 since Nexus Blitz is no longer available.
8.24
Percent health regeneration increased to 1.5% maximum health from 1%.
8.16
Re-added back to the game because of the experimental game mode Nexus Blitz.
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+750 g = 2,800 g