Champions › Katarina
Katarina Mid Build, Patch 26.20 — Runes, Ability Damage & ARAM Buffs/Nerfs
the Sinister Blade · AP damageAssassinMageBurst MageMid
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 Katarina against any opponent at any level.
Damage LabLaning matchupBuild LabARAM sheet
Katarina build and runes (Mid, 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
Katarina 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.
Katarina base stats by level
| Level | Health | Attack damage | Armor | Magic resist | Attack speed |
|---|---|---|---|---|---|
| Level 1 | 672 | 58.0 | 32.0 | 32.0 | 0.658 |
| Level 6 | 1,099 | 70.6 | 50.6 | 40.1 | 0.729 |
| Level 11 | 1,620 | 86.1 | 73.2 | 50.0 | 0.816 |
| Level 18 | 2,508 | 112.4 | 111.9 | 66.8 | 0.964 |
Growth follows Riot's per-level curve: value = base + growth × (n−1) × (0.7025 + 0.0175 × (n−1)).
Katarina ability damage per rank
Q — Bouncing Blade magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | 80 | 115 | 150 | 185 | 220 |
| Cooldown (s) | 11.0 | 10.0 | 9.0 | 8.0 | 7.0 |
Scaling: 40/40/40/40/40% AP.
Katarina Q damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 80.0 | 11.0s |
| Level 3 | rank 2 | 115.0 | 10.0s |
| Level 6 | rank 3 | 150.0 | 9.0s |
| Level 9 | rank 5 | 220.0 | 7.0s |
| Level 11 | rank 5 | 220.0 | 7.0s |
| Level 13 | rank 5 | 220.0 | 7.0s |
| Level 16 | rank 5 | 220.0 | 7.0s |
| Level 18 | rank 5 | 220.0 | 7.0s |
W — Preparation none
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | no direct damage | ||||
| Cooldown (s) | 15.0 | 14.0 | 13.0 | 12.0 | 11.0 |
Scaling: no scaling.
E — Shunpo magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | 20 | 30 | 40 | 50 | 60 |
| Cooldown (s) | 12.0 | 11.0 | 10.0 | 9.0 | 8.0 |
Scaling: 40/40/40/40/40% total AD, 25/25/25/25/25% AP.
Katarina E damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 43.2 | 12.0s |
| Level 3 | rank 2 | 55.1 | 11.0s |
| Level 6 | rank 3 | 68.3 | 10.0s |
| Level 9 | rank 5 | 91.8 | 8.0s |
| Level 11 | rank 5 | 94.4 | 8.0s |
| Level 13 | rank 5 | 97.2 | 8.0s |
| Level 16 | rank 5 | 101.7 | 8.0s |
| Level 18 | rank 5 | 105.0 | 8.0s |
R — Death Lotus physical
| Rank | R1 | R2 | R3 |
|---|---|---|---|
| Base damage | no direct damage | ||
| Cooldown (s) | 75.0 | 60.0 | 45.0 |
Scaling: no scaling.
Katarina ARAM buffs & nerfs (Howling Abyss balance modifiers)
Katarina deals normal damage and takes normal damage on the Howling Abyss.
| ARAM modifier | Value |
|---|---|
| Damage dealt | — |
| Damage taken | — |
| Healing | — |
| Shielding | — |
| Attack speed | — |
| Ability haste | +10 |
| Tenacity | +20% |
| 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 Katarina build on patch 26.20?
RiftLab's stat-driven build for Katarina Mid 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 Katarina have ARAM modifiers?
Yes. On ARAM Katarina deals normal damage and takes normal damage, tenacity +20%, +10 ability haste.
How much damage does Katarina's Bouncing Blade do?
Katarina's Q (Bouncing Blade) has a base damage of 80/115/150/185/220 across its ranks and scales with 40/40/40/40/40% AP. Before the target's resistances; use the Damage Lab for the mitigated number against a specific opponent.
How much health does Katarina have at level 18?
Katarina has 2,508 base health, 111.9 armor and 66.8 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.