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Sylas vs Karthus

Sylas
vs
Not enough games
Karthus
Analyze a draft with Sylas
High burstHeavy pokeCountered by stasisHeavy AP damage

Build vs Karthus

The champion's reference build, for lack of enough games in this matchup

Recommended items for Sylas: Hextech Rocketbelt, Riftmaker, Zhonya's Hourglass, Ionian Boots of Lucidity, Rabadon's Deathcap, Shadowflame, Cosmic Drive, Banshee's Veil.

Starting items

Doran's Ring
Health Potion
x2

Core build

Hextech Rocketbelt
1
Riftmaker
2
Zhonya's Hourglass
3

Standard

Ionian Boots of Lucidity
4CDR
Rabadon's Deathcap
5

Summoner spells

FlashDot67%
FlashTeleport33%

Anti CC

Mercury's Treads
4vs CC

Other options

Rabadon's Deathcap
Shadowflame
Cosmic Drive
Banshee's Veil
PrecisionPrecision
ConquerorConqueror
Presence of MindPresence of Mind
Legend: HasteLegend: Haste
Last StandLast Stand
ResolveResolve
UnflinchingUnflinching
Second WindSecond Wind
Adaptive ForceAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Karthus's abilities

Passive, spells and ultimate

Death Defied (P)

Upon dying, Karthus enters a spirit form that allows him to continue casting spells.

Cooldowns

Cooldowns by spell rank

LevelQWER
30s15s0.5s–
60s15s0.5s3m20
90s15s0.5s3m20
110s15s0.5s3m
160s15s0.5s2m40
180s15s0.5s2m40

Playing as Sylas

Tips to maximize your impact

  1. An auto after each spell

    Weave an auto after each spell: Petricite Burst (passive) turns it into a chain swing around you, with bonus magic damage.

  2. Save Kingslayer for low health

    Save Kingslayer (W) to finish or to save yourself when your health drops: its healing grows with your missing health.

  3. Abscond, then throw your chain

    To engage, cast Abscond (E), then recast within 3.5 seconds: Abduct (E) pulls you to the first enemy hit and knocks them into the air.

  4. Steal the ult that decides the fight

    Cast Hijack (R) on the enemy whose ult can turn a teamfight: you keep a copy of it, cast with your own stats.

Playing against Karthus

How to counter and exploit weaknesses

  1. Stay near your minions

    Stay near your minions or your allies: Lay Waste (Q) deals much more damage when the blast hits only one enemy.

  2. Jump on him if you can

    If you can engage, jump on him: Karthus has no dash or leap to escape.

  3. Don't stay low once he hits 6

    Once he hits level 6, back instead of staying at low health: Requiem (R) hits every enemy champion wherever they are, 3 seconds after he starts channeling.

  4. Save your protection for Requiem

    If you have a shield, a heal or invulnerability, save it for Requiem (R): it hits every enemy champion 3 seconds after he starts channeling.

  5. Move away after he dies

    Once Karthus is dead, move away: Death Defied (passive) keeps him in spirit form for a while, and he can still cast his spells.

Other Sylas matchups

Patch 16.21.1