VRC.LOL

Game patch 26.20Data Dragon 16.20.1

Reference patch 16.20.1

Kog'Maw

the Mouth of the Abyss

Kog'Maw is a ranged damage dealer who needs safe spacing and time to keep attacking. This overview keeps the explanation practical and leaves patch-sensitive numbers to Riot's structured data and the current in-game tooltip.

BotMixed damageRanged attacks
Usual roleBot
ClassMarksman · Mage
DifficultyMedium · 6/10
Basic attacksRangedRanged basic attacks · 500 range.
Damage profileMixed damageThe kit can deal meaningful physical and magic damage. One resistance does not answer every part of it.
Reference patch16.20.1

Strengths and limits

What Kog'Maw does well, and what can go wrong

These are kit-level patterns, not a promise that every lane or matchup plays the same way.

Good patterns

  • Uses spells to shape space, punish predictable movement or control an approach.
  • Can maintain ranged damage when positioning and target access remain safe.
  • Ranged basic attacks can contribute without entering melee distance when spacing is preserved.

Limits to respect

  • Important pressure falls while key spells are unavailable or miss their intended area.
  • Loses reliable output when forced away, controlled or reached before creating distance.

Riot ally tips

Use these while learning the champion
1

Kog'Maw can outrange most champions with his Bio-Arcane Barrage ability.

2

Use Void Ooze to set up a perfect Living Artillery.

3

Make the most out of your Icathian Surprise.

Riot opponent tips

What an opponent is told to watch for
1

Kog'Maw doesn't have a good escape ability, so he is especially prone to ganks.

2

Run away from Kog'Maw after he dies!!!!

3

The range on Living Artillery increases each rank.

Source boundaryTip text and kit data come from Riot Data Dragon 16.20.1. VRC.LOL’s strength and limit summaries are independently written.

Practical champion reading

How to read Kog'Maw in a real fight

Use these patterns to ask better questions before choosing an item, target or commitment. They describe the kit, not a guaranteed result.

Damage delivery

Meaningful mixed pressure

One resistance may answer only part of the kit. Check the current build and the rest of the opposing team before specialising defensively.

Fight rhythm

Repeated access matters

The threat grows while this champion can keep attacking a useful target. Break target access, create distance or use control before the repeated pattern settles in.

Range and access

Spacing protects repeated output

Ranged attacks are useful only while a safe line to the target remains. Flanks, hard control and blocked escape routes can remove that advantage quickly.

Typical team job

Maintain safe, repeatable damage

Target access and survival time usually matter more than one ambitious hit. Reposition between attacks and avoid giving up the safe damage line.

Control check

Identify the exact movement restriction

Tenacity can shorten only eligible control. Displacements, airborne effects and repeated slows need their own positioning, blocking or movement answer.

Protection and sustain

Check whether recovery changes the fight

Anti-heal or anti-shielding is situational. Buy it only when the effect is materially protecting targets and your champion can apply the answer reliably.

Resource pattern

Mana and cooldowns both matter

A spell being available does not mean the complete sequence is sustainable. Watch the resource bar as well as the setup and escape cooldowns.

Read the whole teamThe same champion can create a different problem after changing role, items or allies. Re-check the visible match before committing to a defensive answer.

Defensive item reference

What can help against Kog'Maw?

Start with the threat that is actually affecting the match. These are conditional comparisons, not an automatic counter build.

Pre-game choices
DEFENSIVE BOOTS

Plated Steelcaps usually fit better

Armour and attack reduction address repeated physical basic attacks. The passive does not reduce every physical ability.

Choose Mercury's Treads instead when magic damage or reducible crowd control across the full team matters more.
Repeated attacksSlowsHealing or sustainHealth-scaling or true damage
SPLIT DEFENCE

Split defence

Health · shields · balanced resistances

Meaningful physical and magic damage makes one resistance incomplete.

Compare the whole team and the champion's current build before specialising.
REPEATED ATTACKS

Repeated attacks

Plated Steelcaps · Frozen Heart

These can reduce attack-focused pressure when their stats fit your champion.

Do not use this as an answer to physical spells that are not attacks.
REPEATED SLOWS

Repeated slows

Boots of Swiftness

Slow resistance can be more useful than Tenacity when repeated slowing strength is the main problem.

It gives no armour or magic resistance, so compare the rest of the opposing team.
MEANINGFUL HEALING

Meaningful healing

Bramble Vest or Thornmail · Morellonomicon · Mortal Reminder

A role-appropriate Grievous Wounds item can reduce healing.

Buy it only when healing is materially changing fights and your champion can apply it reliably.
HEALTH-SCALING OR TRUE DAMAGE

Health-scaling or true damage

Shields · sustain · positioning · exact resistance check

Raw health or one resistance may be incomplete against percent-health, missing-health or true-damage mechanics.

Read the current ability tooltip before choosing defence; these mechanics do not all use the same counter.
Player decidesChampion identity is a starting point, not an automatic purchase. Compare the full opposing team, current item tooltips and the problem that is actually deciding fights. Never buy two completed pairs of Boots.

Normal Draft and Ranked role map

Where Kog'Maw fits on Summoner's Rift

Each lane is assessed separately. Open a role to reach its queue-specific build and matchup preparation.

TopUnestablished route

Historical reference. Recommendation review pending. Kog'Maw is normally played Bot and does not currently have a reviewed Top route. Top usually needs independent laning, durable trading or reliable side-lane pressure. Treat this as a deliberate experiment, not a standard recommendation.

Review this role
JungleUnestablished route

Historical reference. Recommendation review pending. Kog'Maw is normally played Bot and does not currently have a reviewed Jungle route. Jungle usually needs repeatable monster clear, safe pathing and objective control without lane income. Treat this as a deliberate experiment, not a standard recommendation.

Review this role
MidUnestablished route

Historical reference. Recommendation review pending. Kog'Maw is normally played Bot and does not currently have a reviewed Mid route. Mid usually needs solo-lane safety plus wave control, roaming or reliable burst pressure. Treat this as a deliberate experiment, not a standard recommendation.

Review this role
SupportUnestablished route

Historical reference. Recommendation review pending. Kog'Maw is normally played Bot and does not currently have a reviewed Support route. Support usually needs useful engage, peel or utility while operating on low gold income. Treat this as a deliberate experiment, not a standard recommendation.

Review this role

Kit reference

Kog'Maw abilities

Ability names, descriptions and numeric fields come from Riot Data Dragon. Practical reads are independently written; the current in-game tooltip remains authoritative.

Abilities Data Dragon 16.20.1Cooldown / Cost / Range Data Dragon 16.20.1
P
Passive

Icathian Surprise

What it does4 seconds after dying, Kogmaw explodes, dealing true damage to surrounding enemies.

Practical readIcathian Surprise is an automatic part of the kit involving damage. Track when its condition is active instead of treating every fight the same way.

Q
Q ability

Caustic Spittle

What it doesKog'Maw launches a corrosive projectile which deals magic damage and corrodes the target's armor and magic resist for a short time. Kog'Maw also gains additional attack speed.

Practical readCaustic Spittle is a ranged cast involving basic-attack interaction and damage. Respect its line or target area, and avoid spending it when the opponent can simply step away before the important exchange.

Cooldown7 secCost40Listed range1175 units
W
W ability

Bio-Arcane Barrage

What it doesKog'Maw's attacks gain range and deal a percent of the target's maximum health as magic damage %i:OnHit% On-Hit.

Practical readBio-Arcane Barrage contributes basic-attack interaction and damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

Cooldown17 secCost40Listed range530 units
Maximum-health interaction

This effect references a maximum-health value. Check whether the current tooltip uses the caster's or the target's health before comparing damage or protection.

E
E ability

Void Ooze

What it doesKog'Maw launches a peculiar ooze which damages all enemies it passes through and leaves a trail which slows enemies who stand on it.

Practical readVoid Ooze contributes a slowing effect and damage. Its value changes with cooldown, range and target access; recognise the setup before moving into its effective area.

Cooldown12 secCost40/55/70/85/100Listed range1200 units
R
Ultimate

Living Artillery

What it doesKog'Maw fires an artillery shell at a great distance dealing magic damage (increased significantly on low health enemies) and revealing non-stealthed targets. Additionally, multiple Living Artilleries in a short period of time cause them to cost additional Mana.

Practical readLiving Artillery is a ranged cast involving damage. Respect its line or target area, and avoid spending it when the opponent can simply step away before the important exchange.

Cooldown2/1.5/1 secCost40Listed range1300/1550/1800 units

Levels 1–18

Kog'Maw · Health / Mana · Abilities

Base values exclude items, runes, temporary buffs and mode-specific modifiers. Cooldowns are the listed base cooldown before ability haste.

Level 1635 Health325 Mana
Level 3781 Health384 Mana
Level 61,026 Health483 Mana
Level 111,504 Health676 Mana
Level 162,068 Health904 Mana
Level 182,318 Health1,005 Mana

Cooldown Data Dragon 16.20.1

Q
Basic abilityCaustic Spittle

Can receive its first point from level 1. Later ranks normally become available at levels 3, 5, 7 and 9.

All ranks7 sec
W
Basic abilityBio-Arcane Barrage

Can receive its first point from level 1. Later ranks normally become available at levels 3, 5, 7 and 9.

All ranks17 sec
E
Basic abilityVoid Ooze

Can receive its first point from level 1. Later ranks normally become available at levels 3, 5, 7 and 9.

All ranks12 sec
R
UltimateLiving Artillery

First rank becomes available at level 6; later ranks normally become available at levels 11 and 16.

Rank 12 secRank 21.5 secRank 31 sec
Open every levelHealth and mana from level 1 to 18
LevelHealthManaAbility milestone
1635325 ManaChoose the first basic ability
2706354 ManaAdd another basic ability or rank
3781384 ManaAdd another basic ability or rank
4859416 ManaSpend one ability point
5941449 ManaSpend one ability point
61,026483 ManaFirst ultimate rank normally available
71,115519 ManaSpend one ability point
81,207556 ManaSpend one ability point
91,302595 ManaSpend one ability point
101,401635 ManaSpend one ability point
111,504676 ManaSecond ultimate rank normally available
121,610719 ManaSpend one ability point
131,719763 ManaSpend one ability point
141,832809 ManaSpend one ability point
151,948856 ManaSpend one ability point
162,068904 ManaFinal ultimate rank normally available
172,191954 ManaSpend one ability point
182,3181,005 ManaSpend one ability point
How the numbers are calculatedLevel values use Riot Data Dragon 16.20.1 base and growth statistics with League’s non-linear champion-stat growth curve. Queue starting levels can differ: Normal Draft and Ranked normally begin at level 1, while ARAM and Swiftplay use faster starting rules.

Choose the next question

Turn the profile into a pre-game plan

Choose a queue-aware build, compare a lane opponent, or return to the full champion library.

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