Lane

Left to right for categories marked non-optional
Lets get this bread.

$$$

If they are low in lane, or you are winning lane hard, buy this now
Otherwise, grab before Enduring Speed.

Armors

Buy if their team is skewed.

Midgame

Pick a side of the map and push its lanes constantly
Help teamates that are winning fights to farm assists.

Choose 1

Can get more later if needed
Or rich.

Optional 1

If needed, as needed.

BURN

Once you have spirit burn, you are really online
Control the teamfights, avoid 1v1s.

Optional 2

Counters.

High End Bullet Tanking

High End Spirit Tanking

Finishing Touches

Optional 3

Tank killers.

TOO MUCH MONEY

If you've run out of T4s above, I'm sorry for how long your match is going
Heres some extras.

Kelvin SKill build

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Kelvin Build Description

Kelvin, in my opinion, is up there with Seven as one of the characters best equipped to win economically.
This build, in my experience, can very succesfully keep a wide economic lead over your opponents and enable you to buy a swathe of high tier items to keep you alive and make them dead - so long as you make the effort to online Trophy Collector early.