How does "DOTA2" witch doctor assist the centaur chief?

The witch doctor is a very useful auxiliary hero, and he can provide a lot of help to the centaur chief. The following are some of the help that witch doctors can provide to the centaur chief:

1. Curse: Curse can make the centaur chief's attack more deadly, while reducing the enemy's armor and spell resistance.

2. Healing: Witch doctors can use healing to provide extra health for the centaur chief, so that he can survive in the battle for a longer time.

3. Play music: Playing music can make the centaur chieftain do more damage when attacking, and it can also slow down the enemy's movement.