Sal is an auxiliary hero. He can use his skills to help soul eaters. Here are some skills that Thrall can use to help soul eaters:

-* * Ghost Step * *: This ability allows soul eaters to pass through enemy units without being trapped. This can help soul eaters escape from danger or get close to the enemy quickly.

-* * Ghost Wave * *: This ability allows soul eaters to do damage to enemies and slow them down. This can help the soul eater better control the enemy in the team battle.

-* * Ghost Chop * *: This skill allows soul eaters to do damage to enemies and stun them. This can help the soul eater better control the enemy in the team battle.