Champions › Janna
Janna Support Build, Patch 26.20 — Runes, Ability Damage & ARAM Buffs/Nerfs
the Storm's Fury · AP damageSupportMageEnchanterSupport
Every number below is computed from Riot's official game data for patch 26.20 — the Worlds 2026 patch (Data Dragon, with Meraki Analytics ability values and Riot's published ARAM balance), not sampled from match histories. Open the interactive labs to test Janna against any opponent at any level.
Damage LabLaning matchupBuild LabARAM sheet
Janna build and runes (Support, patch 26.20)
Item order
- Rabadon's Deathcap
- Spellslinger's Shoes
- Zhonya's Hourglass
- Shadowflame
- Dusk and Dawn
- Riftmaker
Start: Doran's Ring, Health Potion
Situational: —
Rune page
Domination · keystone Electrocute
Cheap Shot, Sixth Sense, Treasure Hunter
Secondary: Axiom Arcanist, Transcendence
Summoners: Flash, Ignite · Skill order: Q > E > W
Janna is classified AP from its ability scalings; itemization computed from Rabadon's Deathcap + current-patch item stats. Win-rate shown is an estimate and does not drive the build.
Janna base stats by level
| Level | Health | Attack damage | Armor | Magic resist | Attack speed |
|---|---|---|---|---|---|
| Level 1 | 570 | 47.0 | 28.0 | 30.0 | 0.625 |
| Level 6 | 926 | 56.9 | 45.8 | 35.1 | 0.699 |
| Level 11 | 1,360 | 68.9 | 67.5 | 41.4 | 0.790 |
| Level 18 | 2,100 | 89.5 | 104.5 | 52.1 | 0.944 |
Growth follows Riot's per-level curve: value = base + growth × (n−1) × (0.7025 + 0.0175 × (n−1)).
Janna ability damage per rank
Q — Howling Gale magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | 85 | 135 | 185 | 235 | 285 |
| Cooldown (s) | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 |
Scaling: 80/80/80/80/80% AP.
Janna Q damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 85.0 | 14.0s |
| Level 3 | rank 2 | 135.0 | 14.0s |
| Level 6 | rank 3 | 185.0 | 14.0s |
| Level 9 | rank 5 | 285.0 | 14.0s |
| Level 11 | rank 5 | 285.0 | 14.0s |
| Level 13 | rank 5 | 285.0 | 14.0s |
| Level 16 | rank 5 | 285.0 | 14.0s |
| Level 18 | rank 5 | 285.0 | 14.0s |
W — Zephyr magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | 55 | 85 | 115 | 145 | 175 |
| Cooldown (s) | 8.0 | 7.5 | 7.0 | 6.5 | 6.0 |
Scaling: 50/50/50/50/50% AP.
Janna W damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 55.0 | 8.0s |
| Level 3 | rank 2 | 85.0 | 7.5s |
| Level 6 | rank 3 | 115.0 | 7.0s |
| Level 9 | rank 5 | 175.0 | 6.0s |
| Level 11 | rank 5 | 175.0 | 6.0s |
| Level 13 | rank 5 | 175.0 | 6.0s |
| Level 16 | rank 5 | 175.0 | 6.0s |
| Level 18 | rank 5 | 175.0 | 6.0s |
E — Eye Of The Storm magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | 10 | 15 | 20 | 25 | 30 |
| Cooldown (s) | 16.0 | 15.0 | 14.0 | 13.0 | 12.0 |
Scaling: 10/10/10/10/10% AP.
Janna E damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 10.0 | 16.0s |
| Level 3 | rank 2 | 15.0 | 15.0s |
| Level 6 | rank 3 | 20.0 | 14.0s |
| Level 9 | rank 5 | 30.0 | 12.0s |
| Level 11 | rank 5 | 30.0 | 12.0s |
| Level 13 | rank 5 | 30.0 | 12.0s |
| Level 16 | rank 5 | 30.0 | 12.0s |
| Level 18 | rank 5 | 30.0 | 12.0s |
R — Monsoon none
| Rank | R1 | R2 | R3 |
|---|---|---|---|
| Base damage | no direct damage | ||
| Cooldown (s) | 130.0 | 115.0 | 100.0 |
Scaling: no scaling.
Janna ARAM buffs & nerfs (Howling Abyss balance modifiers)
Janna deals -5% damage and takes +5% damage on the Howling Abyss.
| ARAM modifier | Value |
|---|---|
| Damage dealt | -5% |
| Damage taken | +5% |
| Healing | -10% |
| Shielding | — |
| Attack speed | — |
| Ability haste | — |
| Tenacity | — |
| Energy regen | — |
ARAM also starts champions at level 3 with 1,400 gold. The ARAM sheet applies these modifiers to every stat and ability side by side with Summoner's Rift.
Frequently asked
What is the best Janna build on patch 26.20?
RiftLab's stat-driven build for Janna Support is Rabadon's Deathcap, Spellslinger's Shoes, Zhonya's Hourglass, Shadowflame, Dusk and Dawn, Riftmaker, with Electrocute as the keystone. It is computed from the champion's damage profile and the opponent's resists, not from win-rate scraping.
Does Janna have ARAM modifiers?
Yes. On ARAM Janna deals -5% damage and takes +5% damage, with healing -10%.
How much damage does Janna's Howling Gale do?
Janna's Q (Howling Gale) has a base damage of 85/135/185/235/285 across its ranks and scales with 80/80/80/80/80% AP. Before the target's resistances; use the Damage Lab for the mitigated number against a specific opponent.
How much health does Janna have at level 18?
Janna has 2,100 base health, 104.5 armor and 52.1 magic resist at level 18 with no items, on patch 26.20.
Data: Riot Data Dragon 26.20, Meraki Analytics, LoL Wiki ARAM table. Builds are stat-driven recommendations from RiftLab's optimizer, not win-rate aggregates.