Champions › Kog'Maw
Kog'Maw Bot Build, Patch 26.20 — Runes, Ability Damage & ARAM Buffs/Nerfs
the Mouth of the Abyss · AD damageADCMageBot
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 Kog'Maw against any opponent at any level.
Damage LabLaning matchupBuild LabARAM sheet
Kog'Maw build and runes (Bot, patch 26.20)
Item order
- Infinity Edge
- Berserker's Greaves
- Bloodthirster
- Trinity Force
- Death's Dance
- Lord Dominik's Regards
Start: Doran's Blade, Health Potion
Situational: —
Rune page
Precision · keystone Press the Attack
Absorb Life, Legend: Alacrity, Coup de Grace
Secondary: Cheap Shot, Sixth Sense
Summoners: Flash, Ignite · Skill order: Q > W > E
Kog'Maw is classified AD from its ability scalings; itemization computed from Infinity Edge + current-patch item stats. Win-rate shown is an estimate and does not drive the build.
Kog'Maw base stats by level
| Level | Health | Attack damage | Armor | Magic resist | Attack speed |
|---|---|---|---|---|---|
| Level 1 | 635 | 61.0 | 24.0 | 33.0 | 0.665 |
| Level 6 | 1,026 | 73.2 | 41.6 | 37.3 | 0.735 |
| Level 11 | 1,504 | 88.2 | 63.0 | 42.7 | 0.820 |
| Level 18 | 2,318 | 113.7 | 99.7 | 51.7 | 0.965 |
Growth follows Riot's per-level curve: value = base + growth × (n−1) × (0.7025 + 0.0175 × (n−1)).
Kog'Maw ability damage per rank
Q — Caustic Spittle magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | 80 | 125 | 170 | 215 | 260 |
| Cooldown (s) | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 |
Scaling: 80/80/80/80/80% AP.
Kog'Maw Q damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 80.0 | 7.0s |
| Level 3 | rank 2 | 125.0 | 7.0s |
| Level 6 | rank 3 | 170.0 | 7.0s |
| Level 9 | rank 5 | 260.0 | 7.0s |
| Level 11 | rank 5 | 260.0 | 7.0s |
| Level 13 | rank 5 | 260.0 | 7.0s |
| Level 16 | rank 5 | 260.0 | 7.0s |
| Level 18 | rank 5 | 260.0 | 7.0s |
W — Bio-Arcane Barrage magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | no direct damage | ||||
| Cooldown (s) | 17.0 | 17.0 | 17.0 | 17.0 | 17.0 |
Scaling: 3/3.75/4.5/5.25/6% target max HP.
Kog'Maw W damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 0.0 | 17.0s |
| Level 3 | rank 2 | 0.0 | 17.0s |
| Level 6 | rank 3 | 0.0 | 17.0s |
| Level 9 | rank 5 | 0.0 | 17.0s |
| Level 11 | rank 5 | 0.0 | 17.0s |
| Level 13 | rank 5 | 0.0 | 17.0s |
| Level 16 | rank 5 | 0.0 | 17.0s |
| Level 18 | rank 5 | 0.0 | 17.0s |
E — Void Ooze magic
| Rank | R1 | R2 | R3 | R4 | R5 |
|---|---|---|---|---|---|
| Base damage | 70 | 110 | 150 | 190 | 230 |
| Cooldown (s) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
Scaling: 65/65/65/65/65% AP.
Kog'Maw E damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 1 | rank 1 | 70.0 | 12.0s |
| Level 3 | rank 2 | 110.0 | 12.0s |
| Level 6 | rank 3 | 150.0 | 12.0s |
| Level 9 | rank 5 | 230.0 | 12.0s |
| Level 11 | rank 5 | 230.0 | 12.0s |
| Level 13 | rank 5 | 230.0 | 12.0s |
| Level 16 | rank 5 | 230.0 | 12.0s |
| Level 18 | rank 5 | 230.0 | 12.0s |
R — Living Artillery magic
| Rank | R1 | R2 | R3 |
|---|---|---|---|
| Base damage | 200 | 280 | 360 |
| Cooldown (s) | 2.0 | 1.5 | 1.0 |
Scaling: 70/70/70% AP, 150/150/150% bonus AD.
Kog'Maw R damage by champion level (own stats, no items)
| Level | Rank | Raw damage | Cooldown |
|---|---|---|---|
| Level 6 | rank 1 | 200.0 | 2.0s |
| Level 9 | rank 1 | 200.0 | 2.0s |
| Level 11 | rank 2 | 280.0 | 1.5s |
| Level 13 | rank 2 | 280.0 | 1.5s |
| Level 16 | rank 3 | 360.0 | 1.0s |
| Level 18 | rank 3 | 360.0 | 1.0s |
Kog'Maw ARAM buffs & nerfs (Howling Abyss balance modifiers)
Kog'Maw deals -8% damage and takes +10% damage on the Howling Abyss.
| ARAM modifier | Value |
|---|---|
| Damage dealt | -8% |
| Damage taken | +10% |
| Healing | — |
| 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 Kog'Maw build on patch 26.20?
RiftLab's stat-driven build for Kog'Maw Bot is Infinity Edge, Berserker's Greaves, Bloodthirster, Trinity Force, Death's Dance, Lord Dominik's Regards, with Press the Attack as the keystone. It is computed from the champion's damage profile and the opponent's resists, not from win-rate scraping.
Does Kog'Maw have ARAM modifiers?
Yes. On ARAM Kog'Maw deals -8% damage and takes +10% damage.
How much damage does Kog'Maw's Caustic Spittle do?
Kog'Maw's Q (Caustic Spittle) has a base damage of 80/125/170/215/260 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 Kog'Maw have at level 18?
Kog'Maw has 2,318 base health, 99.7 armor and 51.7 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.