Welcome to my 2nd guide. In this guide i will show you how i play warwick.
warwick is a good jungler, but i play him as a lanewick. Because to me, his skills are
good laning skills.

Mark- armour penetration for some bonus damage on hit points
Seal- armour for some durability early game
Glyph- Magic penetration really good for this on-hit build
Quintessence- armour penetration for some good damage

Your Early Game Item Should Be,
1.madreds razor
2.sorc shoes
3.wits end

Mid Game
1.Madreds bloodrazor
2.sorc shoes
3.wits end
4.spirit visage

Late Game
1.Madreds bloodrazor
2.sorc shoes
3.wits end
4.spirit visage
5.black cleaver
6.frozen mallet

-positioning is the key for this channeling spell.
-always use it on the most threat.
-go in late because you are not a tank.
-AIM CARRY's

Try To Last Hit As Much As You Can.. And Sometime's you can go take some blue buff and spam your Q!