Use this build in-game
Build ID: 756652 - copy and import it in the Deadlock shop
Abuse early spirit spike in combination with early Flawless Advance spike to bully enemies in the early game. Snowball from that to become a flanker / assassin in the mid to late game, lurking and picking off weak enemies in teamfights. Can also flex to a semi-frontliner if necessary.
Recommended ability leveling order for this build