Kog'Maw has the Void, Longshot, and Arcanist traits in TFT Set 16. These traits provide bonuses when activated with other champions that share them, making Kog'Maw a key unit for Void, Longshot, and Arcanist comps.

Champions that share traits with Kog'Maw include Bel'Veth, Baron Nashor, and Rift Herald . These units can be paired with Kog'Maw to activate trait bonuses and create powerful synergies.

Sylas is the strongest traitmate for Kog'Maw with a 75.53% win rate when paired together. This champion shares the Void trait with Kog'Maw and creates a powerful synergy.

Swain is the most popular traitmate for Kog'Maw with a 26.47% pick rate. This unit shares the Void trait with Kog'Maw and is picked 26.47% of the time.

To build team comps around Kog'Maw's traits (Void, Longshot, and Arcanist), focus on including other champions that share these traits to reach trait breakpoints. The most successful Kog'Maw comps pair with Bel'Veth, Baron Nashor, and Rift Herald to maximize trait bonuses.