1Critical Missile
GoldWhen you Critically Strike, fire missiles dealing magic damage.
Gain 
25% Crit chance.
BARAM: Mayhem · Patch 16.20TwitchARAM: Mayhem build
the Plague Rat
- ARAM: Mayhem rank
- #71 / 173
- Top augment
- Critical Missile
Tier B
Scopier Weapons · Upgrade Infinity Edge
Twitch best augments
All augments →1
2Scopier Weapons
GoldGain 150 (melee) / 100 (ranged) Attack Range.
3Upgrade Infinity Edge
GoldGain 500 Gold.
Having Infinity Edge allows your Critical Strike Chance to grant random 
Critical Strike Damage each Attack.
4Lil' Extra Help
GoldGain 150 (melee) / 100 (ranged) Attack Range and 75% (melee) / 40% (ranged) Attack Speed during your duration.
5Vulnerability
GoldYour Item and damage over time effects can Critically Strike.
Gain 25% Crit chance.
6Dual Wield
PrismaticAttacks fire a bolt that applies 
On-Hit effects at reduced strength. Gain 10% total Attack Speed.
7Critical Rhythm
GoldYour basic Attack stacks Attack Speed on Critical Strikes.
Gain 25% Crit chance.
8Deft
SilverGain 
60% Attack Speed.
9Soul Siphon
GoldHeal for 12% of damage done by Critical Strikes.
Gain 25% Crit chance.
10Scopiest Weapons
PrismaticGain 250 (melee) / 150 (ranged) Attack Range.
Augment order comes from OP.GG. Runes, items and skill order below come from regular ARAM games on the same map.
Recommended Twitch build
Most played and most reliable choicesRunes
Spells
Skill priority
E
Q
WStart
Boots
Core
Twitch runes
51.9% WR47.7% pick50,561 games
Precision
Domination
49.3% WR17.6% pick18,659 games
50.7% WR10.7% pick11,296 games
52.0% WR1.9% pick2,030 games
Twitch skill order
55.2% WR45.0% pick35,481 games
Q123456789101112131415W123456789101112131415E123456789101112131415
R123456789101112131415Twitch summoner spells
51.6% WR57.0% pick58,994 games
51.2% WR12.9% pick13,336 games
Power curve
Scales into the late game
50.2
56.5
57.1
54.3
64.3
Win rate (%) by game length in minutes. Dashed line = 50%.
Twitch items
First three completed items55.1%
13.5% · 11,857 games
54.6%
5.0% · 4,394 games
57.9%
4.4% · 3,858 games
52.2%
3.5% · 3,041 games
53.2%
3.4% · 2,979 games
Start50.3%
29.1% · 29,758 games
Start51.4%
14.4% · 14,740 games
Boots50.9%
92.9% · 83,410 games
Boots55.4%
2.8% · 2,553 games
Boots49.0%
1.8% · 1,578 games
Twitch situational items
How often each item ends up in the final buildRunaan's Hurricane74.1% · 53.0%Infinity Edge54.3% · 54.9%
Blade of The Ruined King45.8% · 54.6%Yun Tal Wildarrows43.8% · 51.1%
The Collector39.8% · 51.8%
Lord Dominik's Regards29.3% · 55.7%
Fiendhunter Bolts26.3% · 53.5%B. F. Sword10.7% · 50.4%
Bloodthirster9.2% · 56.6%
Mortal Reminder7.7% · 51.5%
Kraken Slayer7.2% · 51.8%
Nashor's Tooth4.3% · 46.8%
Statikk Shiv2.9% · 50.4%
Serrated Dirk2.5% · 48.4%
Wit's End2.4% · 52.6%
Shadowflame2.3% · 45.6%Twitch abilities
PassiveDeadly Venom
Twitch's basic attacks infect the target %i:OnHit% On-Hit, dealing true damage each second.
QAmbush
Twitch becomes Camouflaged for a short duration and gains Move Speed. When leaving Camouflage, Twitch gains Attack Speed for a short duration. When an enemy champion with Deadly Venom dies, Ambush's cooldown is reset.
Cooldown: 16s · Cost: 40WVenom Cask
Twitch hurls a cask of venom that explodes in an area, slowing targets and applying deadly venom to the target.
Cooldown: 13/12/11/10/9s · Cost: 70EContaminate
Twitch wreaks further havoc on poisoned enemies with a blast of his vile diseases.
Cooldown: 12/11/10/9/8s · Cost: 50/60/70/80/90RSpray and Pray
Twitch unleashes the full power of his crossbow, shooting bolts over a great distance that pierce all enemies caught in their path.
Cooldown: 90s · Cost: 100