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Game patch 26.20Data Dragon 16.20.1

Reference patch 16.20.1

Kassadin Mid · Normal Draft

Kassadin has an established central-lane plan with access to waves, both sides of the river and meaningful pressure between objectives.

Primary roleStandard Summoner's Rift preparation
Champion overview
Historical referenceRecommendation review pending

These patches track recommendation review, build validation and item lookup separately. Updating item data does not complete a build review.

Recommendation patch
16.16 Data Dragon
Build validation patch
16.19.1 Data Dragon
Item lookup patch
16.20.1 Data Dragon

Normal Draft · Mid

Evidence-supported Kassadin Mid

Follow the completed-item order as a pre-game reference. Components and owned items do not create extra inventory slots.

Primary role
S
Draft / Ranked opening · separate from item 1

Dark Seal

350 gold

This is the most-supported Draft/Ranked starting item in the frozen prior-patch public role snapshot. Compare its durability, sustain and damage trade-off before leaving base.

1
First item

Rod of Ages

2,600 gold

This item is part of the most-supported coherent core in the frozen prior-patch public role snapshot. Treat the sample as context, then adjust only for a clearly identified matchup problem.

2
Boots

Sorcerer's Shoes

1,100 gold

This is the most-supported Boots choice in the frozen prior-patch public role snapshot; change it when the opposing damage or crowd control calls for a different defence.

3
Core

Archangel's Staff

2,900 gold

This item is part of the most-supported coherent core in the frozen prior-patch public role snapshot. Treat the sample as context, then adjust only for a clearly identified matchup problem.

4
Late

Malignance

2,700 gold

This item is part of the most-supported coherent core in the frozen prior-patch public role snapshot. Treat the sample as context, then adjust only for a clearly identified matchup problem.

5
Flexible

Rabadon's Deathcap

3,500 gold

Keeps a reviewed late option after the prior-patch cross-check; move or replace it only when its stated match problem is present.

6
Repeated spell rotations

Cosmic Drive

3,000 gold

Completes the six-item inventory with movement speed and ability haste for repeated late-game spell rotations.

Complete build choices

Choose the route before play

Recommendation review pending

AlternativeToo much healingMorellonomicon applies anti-heal. Buy it earlier only when healing is already deciding fights.View full route

Best when: Morellonomicon applies anti-heal. Buy it earlier only when healing is already deciding fights.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. Morellonomicon
  4. LateMalignance
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive
AlternativeThey burst meZhonya's stasis can absorb a committed dive or lethal burst window.View full route

Best when: Zhonya's stasis can absorb a committed dive or lethal burst window.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. Zhonya's Hourglass
  4. LateMalignance
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive
AlternativeOne spell stops meBanshee's spell shield can protect the first important cast against you.View full route

Best when: Banshee's spell shield can protect the first important cast against you.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. CoreArchangel's Staff
  4. Banshee's Veil
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive
AlternativeThey stack magic resistVoid Staff becomes valuable when the target has bought meaningful magic resistance.View full route

Best when: Void Staff becomes valuable when the target has bought meaningful magic resistance.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. CoreArchangel's Staff
  4. Void Staff
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive

Complete build comparison

Complete build comparison

Recommendation review pending

Build review neededEvidence-supported Kassadin MidRecommendation review pendingView full route

Recommendation review pending

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. CoreArchangel's Staff
  4. LateMalignance
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive
AlternativeToo much healingMorellonomicon applies anti-heal. Buy it earlier only when healing is already deciding fights.View full route

Best when: Morellonomicon applies anti-heal. Buy it earlier only when healing is already deciding fights.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. Morellonomicon
  4. LateMalignance
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive
AlternativeThey burst meZhonya's stasis can absorb a committed dive or lethal burst window.View full route

Best when: Zhonya's stasis can absorb a committed dive or lethal burst window.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. Zhonya's Hourglass
  4. LateMalignance
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive
AlternativeOne spell stops meBanshee's spell shield can protect the first important cast against you.View full route

Best when: Banshee's spell shield can protect the first important cast against you.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. CoreArchangel's Staff
  4. Banshee's Veil
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive
AlternativeThey stack magic resistVoid Staff becomes valuable when the target has bought meaningful magic resistance.View full route

Best when: Void Staff becomes valuable when the target has bought meaningful magic resistance.

  1. First itemRod of Ages
  2. BootsSorcerer's Shoes
  3. CoreArchangel's Staff
  4. Void Staff
  5. FlexibleRabadon's Deathcap
  6. Repeated spell rotationsCosmic Drive

Runes and summoner spells

Runes and summoner spellsKassadinMid

Create one clean burst window after managing the Mid wave instead of forcing every cooldown into the lane.

Normal Draft
Primary tree

Domination

ElectrocuteSudden ImpactGrisly MementosUltimate Hunter
Secondary tree

Sorcery

TranscendenceScorch
Summoner spells
FlashIgnite
Choose pressure or recovery

Ignite supports a short kill window; Teleport supports recall and map timing; Barrier protects against immediate burst.

Protect the wave plan

A more aggressive spell pair does not replace safe wave timing, river vision or an escape route.

Static alternatives

Compare the problem before changing the plan

These choices are not selected from live scores. Use one only after you identify the stated match problem yourself.

Only when enemy healing is deciding fights

Oblivion Orb

Oblivion Orb supplies healing reduction without committing to a completed Morellonomicon. Skip both when healing is not the problem or an ally already covers your target reliably. Healing reduction does not reduce shields.

Conditional component, not a core item. Complete Morellonomicon only when its stats and slot efficiency justify delaying another purchase.
They burst me

Zhonya's Hourglass

Zhonya's stasis can absorb a committed dive or lethal burst window.

One spell stops me

Banshee's Veil

Banshee's spell shield can protect the first important cast against you.

They stack magic resist

Void Staff

Void Staff becomes valuable when the target has bought meaningful magic resistance.

Situational AP purchase

When should you buy anti-heal?

Buy healing reduction when enemy healing or regeneration is deciding fights and you can keep damaging the relevant target. Grievous Wounds reduces healing; it does not reduce shields, magic damage or crowd control.

Start with the component

Oblivion Orb can provide healing reduction without immediately paying for a completed Morellonomicon. Fit the component around your core damage, mana and survival needs; check the current queue's item tooltip.

Finish when it fits the fight

Complete Morellonomicon when its stats and slot efficiency suit your build. Do not treat it as a mandatory first item just because your champion deals magic damage.

Coordinate coverage

Multiple Grievous Wounds sources do not add their percentages together. Another reliable applier may cover the same target, but you may still need your own source for a separate fight or target.

Repeated spell damage and damage over time can maintain coverage more reliably than a single hit. Match the purchase to your actual spell access, enemy sustain and the teammates who can apply the debuff.

Will the fight last long enough?

If you die before dealing damage, you apply no healing reduction. If your target dies before healing, there is little healing to prevent. The debuff applies on qualifying damage immediately; it does not need to build up. It remains briefly after your last hit, so teammates can benefit even after you disengage.

Only healing during the active debuff counts. For example, 40% reduction prevents 80 of a 200-point heal, or 400 of a 1,000-point heal, before other modifiers. Compare that with the damage, penetration or survival you delayed; neither example guarantees a kill. Healing after the debuff expires is unaffected.

See the Oblivion Orb and Morellonomicon references for current effects and queue availability. These are situational decisions, not a measured best-build claim.

Kit reference

Kassadin 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

Void Stone

What it doesKassadin takes reduced magic damage and ignores unit collision.

Practical readVoid Stone 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

Null Sphere

What it doesKassadin fires an orb of void energy at a target, dealing damage and interrupting channels. The excess energy forms around himself, granting a temporary shield that absorbs magic damage.

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

Cooldown9/8.5/8/7.5/7 secCost60/65/70/75/80Listed range650 units
Cast commitment

This cast has a wind-up, charge or channel. Movement, interruption or a changing target state can matter before the effect completes.

Protection

The protection or sustain is part of the cast's value. Compare its timing with incoming damage rather than reading only the offensive effect.

W
W ability

Nether Blade

What it doesPassive: Kassadin's basic attacks deal bonus magic damage. Active: Kassadin's next basic attack deals significant bonus magic damage and restores Mana.

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

Cooldown7 secCost1
E
E ability

Force Pulse

What it doesKassadin draws energy from spells cast in his vicinity. Upon charging up, Kassadin can use Force Pulse to damage and slow enemies in a cone in front of him.

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

Cooldown21/20/19/18/17 secCost60/65/70/75/80Listed range400 units
R
Ultimate

Riftwalk

What it doesKassadin teleports to a nearby location dealing damage to nearby enemy units. Multiple Riftwalks in a short period of time cost additional Mana but also deal additional damage.

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

Cooldown5/3.5/2 secCost40Listed range500 units
Movement

The cast changes position or access. Account for where the champion finishes, not only where the ability begins.

Adapt the plan

What to do when the game changes

Judge the whole lane or map state, not only personal kills. Choose the situation closest to the current game.

Even plan

Manage the wave and keep both sides of the map visible

1
Lane

Trade when your key ability and minion position favour you; an even lane does not require a forced solo kill.

2
Map play

Move on a completed wave and return before several waves are lost to the tower.

3
Fights

Position for the champion's reliable damage or control instead of beginning with the lowest-percentage spell.

Pings, movement and objectives

Kassadin Mid map plan

Mid can reach either side, but the wave pays for every move. Communicate the opponent first, then move only when the route and destination are credible.

Ahead

Use priority to arrive first, not recklessly

Ping
Ping Enemy Missing when the opponent leaves, On My Way before entering river and Danger on the route the opponent may use.
Stay or roam
Roam after clearing the wave and choose the side where allies can participate. Return before several waves are lost.
Objective
Reach river with the Jungler, control one entrance and preserve the spell that stops an enemy engage or secures the first target.
Even

Turn one managed wave into map pressure

Ping
Use Enemy Missing immediately, then On My Way only when you are genuinely moving rather than considering it.
Stay or roam
Move after the wave is handled. If following requires entering fog alone, ping Danger and take the safe route instead.
Objective
Help establish river vision before the start. Do not burn the only control spell on poke if it is needed to protect the entrance.
Behind

Clear safely and warn both side lanes

Ping
Ping Enemy Missing early and repeat Danger on the threatened side. Use Retreat if matching the roam would expose you to another kill.
Stay or roam
Follow through established vision or remain Mid and recover farm. A late blind follow often loses both positions.
Objective
Approach behind the front line and use reliable control or range. Trade the objective if the team cannot safely enter river.
Objective setup

Four calls, in order

Pings create a shared plan; they do not replace checking waves, vision and who can move.

  1. 1
    Handle the wave

    Push, catch or communicate the wave before leaving so the opponent does not gain a free move and free income.

  2. 2
    Signal the route

    Use On My Way for the route you are actually taking and Danger where an unseen opponent may arrive.

  3. 3
    Enter together

    Move through controlled vision with the Jungler or another ally instead of face-checking the objective alone.

  4. 4
    Choose the job

    Decide whether you are engaging, front-lining, flanking or protecting a carry before the fight begins.

Later objectives: Repeat the same process around later major objectives: handle nearby income, communicate the route, enter through vision and agree on the fight before committing.

Use the guide

Put Kassadin into a real matchup

Compare a specific opponent, return to the champion overview, or choose another champion without losing the queue distinction.

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