TW build Kelvin

Buy HVG or Extra Regen first depending on engagement
Buy 3 orange, either Hollow point or Monster depending on focus.

Fleetfoot for ultra speed
Get rapid recharge/burst to snowball
Healbane or rescue beam depending on enemy heroes.

Get reverb for mega boost, rush it after rapid recharge and improved burst
After that get improved reach and superior cooldown before getting mystic vulnerability and then exposure/boundless spirit.

If having problems surviving get health items depending on who you're fighting
Sell regen/enduring spirit for slots.