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Lore
There is a place between dimensions and between worlds. To some it is known as the Outside, to others it is the Unknown. To most, however, it is called the Void. Despite its name, the Void is not an empty place, but rather the home of unspeakable things, horrors not meant for minds of men. Though such knowledge is lost in modern times, there are those who have unwittingly discovered what lies beyond, and they have been unable to turn away. 
Kassadin is such a creature. He was once a man forced to look upon the face of the Void and forever changed by what he saw. Once a seeker of forbidden knowledge, he discovered that what he sought was something else entirely. He is one of the few that has found his way to forgotten Icathia and lived to tell the tale, following the scant breadcrumbs hidden in ancient texts.
Within a decaying cyclopean city, Kassadin found secrets of the kind that he will never share - secrets that made him quake with fear at the visions of things to come that were thrust upon him. The power of the place threatened to consume him forever, but Kassadin took the only route available to him in order to survive - he let the Void inside him. Miraculously, he was able to overcome the alien urges that went with it, and he emerged as something more than human. Though a part of him died that day, he knows that he must protect Valoran from the things scratching at the door, waiting to get in and visit their torments upon the world. They are only one step away... something to which the appearance of the abomination known as 
Cho'Gath attests.
"If you look upon the Void, you can't put it behind you. If you look upon Kassadin, he is probably already there."
Quotes
- Upon selection
- Movement/attacking
- Taunt
- Joke
- Laugh
Development
Kassadin was designed by Ezreal.
Art thoughts: Kassadin
By Riot Tokkelossie [1]
Confession time: I've been a massive Kassadin fanboy since the first time I played him. The misunderstood hero who turns the dark power of the Void back on itself, fighting fire with fire, standing alone against a force that could threaten all of Runeterra - how awesome is that? We can all agree though that Kassadin's visuals could do a lot more to live up to his awesome premise. As one of the original 40 champions, he's been left behind as League’s visual quality bar has continued to rise over time.
Unlike some older champions, Kassadin has always had a distinct personality and theme to his visuals, and we definitely want to maintain those traits in the course of this update. Our approach has very much been to take Kassadin’s unique identity, locate the most important elements in his visual design, and then refine things to match LoL's current standards. Kassadin's latest splash did a great job of following that approach and served as a useful reference point for our work.
We’re also focused on improving Kassadin’s in-game read. His original model has such a strong contrast between the black costume and its white trim that details become difficult to discern at in-game scale. Nudging his color scheme in ways that improve his in-game read without changing his identity will allow us to really highlight Kassadin’s key visual elements and make him pop on the Rift.
Champion Update (Visual): Kassadin
By FIZZNCHIPS [2]
Kassadin’s all gussied up and about ready to Riftwalk out of the champion update workshop!
Similar to the updates we applied to Singed and Maokai at the tail end of last year, we’re giving Kassadin a visual-only brush up to his base model and skins. That means a new model and textures, plus a whole new set of animations, visual effects and spell effects. We’ve reworked his blade, too, so now it looks a little sharper while costing a bunch less in terms of resources. Even the Void loves toasters.
Previous Lore
There is a place between dimensions, between worlds. To some it is known as the Outside, to others it is the Unknown. To most, however, it is called the Void. Despite its name, the Void is not an empty place, but rather the home of unspeakable things, horrors not meant for minds of men. Though such knowledge is lost to the modern day, there are those who have unwittingly discovered what lies beyond and have been unable to turn away. Kassadin is such a creature, a man once forced to look upon the face of the Void and who was forever changed by it. Once a seeker of forbidden knowledge, he discovered that what he sought was something else entirely. Though a part of him died that day, he knows that he must protect Valoran from the things scratching at the door, waiting to get in and visit their torments upon the world. They are only one step away, something to which the appearance of the abomination known as Cho'Gath attests.
- "If you look upon the Void, you can't put it behind you. If you look upon Kassadin, he is probably already there."
Previous Abilities
Patch History
- Stats
- Base mana increased to 397.6 from 347.6.
- Mana growth reduced to 67 from 70.
Nether Blade
- Cooldown reduced to 7 seconds from 9 seconds.
- AP ratio increased to (+ 70% AP) from (+ 60% AP).
- Riftwalk
- New Effect: Now scales with (+ 20% AP).
- New Effect: Damage increase per Riftwalk stack now scales with (+ 10% AP) per stack.
V5.7:
- Riftwalk
- Empowerment stack duration reduced to 15 seconds from 20.
V5.5:
- General
- Updated model, textures, animations and slight VFX changes for base and all skins.
- New ability icons.
- Riftwalk
- Cooldown reduced to 6 / 4 / 2 seconds from 7 / 5 / 3 seconds.
- Range increased to 500 from 450.
- Cost reduced to 50 mana from 60 mana.
V5.4:
- Riftwalk
- Range decreased to 450 from 700.
- Base cost decreased to 60 from 75 mana.
V5.3:
- Null Sphere
- Damage reduced to 70 / 95 / 120 / 145 / 170 from 80 / 105 / 130 / 155 / 180.
- Riftwalk
- Empowerment stack duration increased to 20 seconds from 12.
- Nether Blade
- Cooldown increased to 9 seconds from 6.
- Force Pulse
- Slow duration reduced to 1 second from 3.
- Slow strength increased to 50 / 60 / 70 / 80 / 90% from 30 / 35 / 40 / 45 / 50%.
V4.9:
- General
- Movement speed reduced to 340 from 350.
- Nether Blade
- Active damage reduced to 40 / 65 / 90 / 115 / 140 (+60% AP) from 40 / 75 / 110 / 145 / 180 (+70% AP).
V4.7:
- Null Sphere
- Shield strength reduced to 40 / 70 / 100 / 130 / 160 (+30% AP) from 40 / 80 / 120 / 160 / 200 (+80% AP).
- Riftwalk
- Crystal Scar only: Cooldown reduced to 9 / 7 / 5 seconds from 9 / 8 / 7.
V4.6:
- Stats
- Movement speed increased to 350 from 340.
- Mana per level increased to 70 from 45.
- Null Sphere
- Magic damage shield increased to 40 / 80 / 120 / 160 / 200 (+80% AP) from 40 / 70 / 100 / 130 / 160 (+30% AP).
- Bugfix: Now correctly interrupts Anivia's Glacial Storm, Twisted Fate's Gate and Urgot's Hyper-Kinetic Position Reverser
- Nether Blade
- Active damage increased to 40 / 75 / 110 / 145 / 180 (+70% AP) from 40 / 65 / 90 / 115 / 140 (+60% AP).
V4.5:
- Stats
- Base armor increased to 18 from 14.
V4.4:
- General
- New particle effects.
- Stats
- Attack range increased to 150 from 125.
- Void Stone
- No longer converts the reduced damage into attack speed.
- Now also allows Kassadin to perpetually ignore unit collision.
- Null Sphere
- No longer silences, but will still interrupt channels and charges.
- Damage changed to 80 / 105 / 130 / 155 / 180 from 80 / 110 / 140 / 170 / 200.
- Now also grants Kassadin a shield from the next 40 / 70 / 100 / 130 / 160 (+ 30% AP) magic damage for 1.5 seconds.
- Nether Blade
- Revised Passive: Kassadin's basic attacks deal 20 (+ 10% AP) bonus magic damage on-hit.
- Revised Active: Kassadin next basic attack deals 40 / 65 / 90 / 115 / 140 (+60% AP) bonus magic damage and restores 4 / 5 / 6 / 7 / 8 % of his missing mana, increasing to 20 / 25 / 30 / 35 / 40 % of his missing mana if the attack is against a champion. The passive and active damage stack.
- Mana cost reduced to 0 from 25.
- Cooldown reduced to 6 seconds from 12.
- Force Pulse
- Damage reduced to 80 / 105 / 130 / 155 / 180 from 80 / 120 / 160 / 200 / 240.
- Riftwalk
- Damage changed to 80 / 100 / 120 (+ 2 % maximum mana) from 80 / 100 / 120 (+80% AP).
- Maximum empowerment stacks reduced to 4 from 10.
- Empowerment stack bonus damage changed to 40 / 50 / 60 (+1 % mana) from 50 / 55 / 60 (+10% AP).
- Empowerment stacks now increase the costs double the mana, changed from 100 mana.
- * Effective mana cost: 75|150|300|600|1200
- Empowerment stack duration increased to 12 seconds from 8.
- Base cost reduced to 75 from 100.
- Cooldown reduced to 7 / 5 / 3 seconds from 7 / 6 / 5.
- No longer refunds 50% of the mana cost if the ability strikes a champion.
V4.3:
- Null Sphere
- Base damage reduced to 80 / 110 / 140 / 170 / 200 from 80 / 115 / 150 / 185 / 220.
- Silence duration reduced to 1 / 1.25 / 1.5 / 1.75 / 2 seconds from 1.5 / 1.75 / 2 / 2.25 / 2.5.
- Force Pulse
- Base damage reduced to 80 / 120 / 160 / 200 / 240 from 80 / 130 / 180 / 230 / 280.
- Stats
- Base magic resist reduced to 30 from 31.25.
- Magic resist per level reduced to 0 from 1.25.
- Null Sphere
- Damage reduced to 80 / 115 / 150 / 185 / 220 from 80 / 130 / 180 / 230 / 280.
- Silence duration changed to 1.5 / 1.75 / 2 / 2.25 / 2.5 seconds from 1 / 1.4 / 1.8 / 2.2 / 2.6.
- Mana cost reduced to 70 / 75 / 80 / 85 / 90 from 70 / 80 / 90 / 100 / 110.
- Riftwalk
- Base damage increased to 80 / 100 / 120 from 60 / 70 / 80.
- Damage from subsequent casts changed to 50 / 55 / 60 (+10% AP) from 60 / 70 / 80.
- Now refunds 50% of the total mana cost when Riftwalk damages an enemy champion(s).
V3.11: Crystal Scar only
- Null Sphere
- Silence duration reduced to 1 / 1.25 / 1.5 / 1.75 / 2 seconds from 1 / 1.4 / 1.8 / 2.2 / 2.6.
V3.9: Crystal Scar only
- Riftwalk
- Cooldown increased to 9 / 8 / 7 seconds from 7 / 6 / 5.
- Range reduced to 600 from 700.
- Nether Blade
- Fixed a bug where Kassadin's basic attacks with Nether Blade active triggered Muramana's active damage more than once.
- Nether Blade's active no longer deals damage to inhibitors or the nexus.
- Force Pulse
- Fixed an issue where Force Pulse would sometimes fire backward after using Riftwalk.
- Fixed an issue where Force Pulse would sometimes fire backward after using
- Stats
- Base movement speed increased to 340 from 315.
- Nether Blade
- Ability power ratio increased to 0.3 from 0.15.
- Bonus damage no longer hits inhibitors or the Nexus.
- Riftwalk
- Damage reduced to 60 / 70 / 80 from 60 / 90 / 120.
- Ability power ratio increased to 0.8 from 0.5.
- Riftwalk
- Cooldown increased to 7 / 6 / 5 seconds from 6 / 5 / 4.
- Force Pulse
- Fixed a bug which caused Force Pulse to be cast backwards after casting Riftwalk.
- Fixed a bug which caused Force Pulse to be cast backwards after casting
- Null Sphere
- Cast range reduced to 650 from 700.
- Force Pulse
- Damage increased at earlier ranks to 80 / 130 / 180 / 230 / 280 from 60 / 115 / 170 / 225 / 280.
- Void Stone
- Magic damage reduction increased to 15% from 10%.
- Null Sphere
- Missile speed increased to 1400 from 1150.
- Nether Blade
- Magic damage on-hit increased to 30 / 45 / 60 / 75 / 90 from 20 / 30 / 40 / 50 / 60.
- Nether Blade
- Mana restore per attack increased to 8 / 11 / 14 / 17 / 20 from 4 / 8 / 12 / 16 / 20.
- Active changed to dealing 20 / 30 / 40 / 50 / 60 (+15% AP) bonus magic damage dealt on hit for the duration instead of receiving 7 / 15 / 25 / 38 / 50 armor penetration for the duration.
- Classic skin splash art updated.
- Force Pulse
- Added a gray version of the charging icon.
- Force Pulse
- Fixed a bug where the visual for would occasionally not align with the direction cast.
- Void Stone
- Magic damage reduction reduced to 10% from 15%.
- Force Pulse
- Damage reduced to 60 / 115 / 170 / 225 / 280 from 60 / 120 / 180 / 240 / 300.
- Ability power ratio reduced to (+70% AP) from (+80% AP).
- Cooldown increased to 6 seconds from 5.
- Riftwalk
- Ability power ratio increased to (+50% AP) from (+40% AP).
- Nether Blade
- Cooldown reduced to 12 seconds from 15.
- Nether Blade
- Mana cost reduced to 25 at all ranks from 30 / 40 / 50 / 60 / 70.
- Riftwalk
- It no longer shows cast particles over fog of war.
- It now leaves a buff showing the duration of the increased cost and damage of subsequent casts.
- Riftwalk
- Can no longer be cast while rooted.
- Nether Blade
- Level up tooltip now correctly states the increased mana cost.
- Stats
- Attack range increased to 125 from 120.
- Magic resistance gained per level increased to 1.25 from 0.
- Void Stone
- Attack speed bonus now stacks and renews instead of being replaced on spell impact.
- Duration lowered to 4 seconds from 5.
- Null Sphere
- Projectile speed increased to 1150 from 900.
- Nether Blade reworked
- Passive: Now restores a flat 4 / 8 / 12 / 16 / 20 mana with every hit and triple this amount when the hit is against champions instead of removing 2 / 2.75 / 3.5 / 4.25 / 5% of his opponent max mana and restoring twice that amount to his own mana.
- Active: Kassadin gains 7 / 15 / 25 / 38 / 50 armor penetration for 5 seconds.
- 15 second cooldown.
- 30 / 40 / 50 / 60 / 70 mana cost.
- Activating this ability counts as a spell cast for the purposes of Force Pulse.
- Void Stone
- Now applies an additive attack speed boost, rather than multiplicative.
- Force Pulse
- Ability power ratio reduced to (+80% AP) from (+100% AP).
- Force Pulse
- Charges required increased to 6 from 4.
- Riftwalk
- Mana cost reduced to 100 from 110.
- Stats
- Armor per level reduced to 3.2 from 3.5.
- Null Sphere
- Ability power ratio reduced to (+70% AP) from (+80% AP).
- Force Pulse
- Now gains charges whenever any nearby champion casts a spell.
- Sounds
- Reduced volume of Null Sphere and added volume/pitch randomization.
- Decreased the volume and radius of Force Pulse "Can Cast" sound.
- Increased the volume and added volume/pitch randomization to Riftwalk.
- Reduced volume of
- Riftwalk
- Mana cost increased to 110 from 75.
- Cooldown increased to 6 / 5 / 4 seconds from 6 / 4.5 / 3.
- Doubling time increased to 8 seconds from 7.
V0.9.22.7: Added
- Void Stone (Innate)
- Kassadin takes 15% reduced damage from abilities and transforms this damage into bonus attack speed.
- Null Sphere (Q)
- Kassadin fires a void bolt dealing Magic Damage and silencing his target.
- Nether Blade (W)
- Kassadin's physical attacks steal a percent of his target's mana, and he gains twice the mana drained from these attacks.
- Force Pulse (E)
- Kassadin draws energy each spell he casts. Upon reaching 4 charges Kassadin can use Force Pulse to deal Magic Damage and slow enemies in front of him for 3 seconds.
- Riftwalk (Ultimate)
- Kassadin teleports to a nearby location dealing damage to nearby enemy units. Additionally, multiple Riftwalks In a short period of time cause them to cost additional mana and deal additional damage.
Notes
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