Pyke vs Locke

Charge Bone Skewer (Q) from a brush or the fog of war: when held, it pulls the first enemy hit, and refunds mana if it hits a champion.

Dash through your target with Phantom Undertow (E): the phantom left behind returns to you and stuns champions in its path.

After a trade, get out of their vision: Gift of the Drowned Ones (passive) regenerates the damage champions just dealt you.

Cast Death From Below (R) on a target below the threshold: each champion who dies in the X lets you recast it, and your last assisting ally also gets the kill gold.

Roam or flank with Ghostwater Dive (W): you're camouflaged and gain a lot of move speed, which decays over time.

Back instead of staying in lane at low health: Silver Stake (passive) adds damage to his autos that grows with your missing health.

Trade after Ashen Pursuit (E): it's his only instant movement, and its 10-second cooldown only resets if he gets a takedown.

During Soul Ignition (W), only hit him if you can kill him: at the end, he heals back part of the last damage taken, yours included.

Marked by Purgatory (R), stay above its threshold: if you have a heal or a shield, use it, because he seals marked enemies who drop below it.

If the Purgatory (R) artifact lands, hold the area where it fell: by picking it up, Locke raises his execute threshold for each sealed champion, for the rest of the game.