Some small changes/mini-rework for Skarner to become viable without breaking him...

As the title says...

is currently sitting at a 48%-51% win rate: http://na.op.gg/champion/skarner/statistics/jungle https://champion.gg/champion/Skarner/Jungle?

Q: New Crystal Slash

Enemies now are slowed by 70/75/80/85/90% for 1 second all ranks

Damage: 80/120/160/200/240/280 physical damage (40% AD scaling)

Bonus Damage: 40/60/80/100/120 true damage (stacks with the regular damage when Crystal Slash is empowered; 20% AD scaling)

AP scaling removed

Crystal slash deals 150% bonus damage to monsters

W: Crystalline Exoskeleton

Shield strength increased from 10/11/12/13/14% to 16% of 's maximum health

AP scaling removed. 1% per 100 health scaling added

New Effect gains 30/35/40/45/50% bonus attack speed for 6 seconds

E: Fracture

Damage increased from 40/65/90/115/140 magic damage (20% AP scaling) to 90/115/140/155/180 magic damage (60% AD scaling)

Bonus damage increased from 30/50/70/90/110 physical damage to 50/70/90/110/130 true damage (20% AD scaling)

Stun duration increased from 1.25 seconds to 1.25/1.5/1.75/2/2.25 seconds

Slow removed.

R: Impale

Suppression duration increased from 1.75 seconds to 2.25 seconds all ranks