Where is the tbc mission assassin?

In Hellfire Peninsula coordinates (33, 43), the tasks are as follows:

1. First, the player needs to come to the position below Hellfire Peninsula.

2. Then find NPC air force commander Braque to accept the task and return to the bedrock of hell.

3. Then the player flies to the bottom of hell.

4. Use the bomb in the backpack to kill the mission monster.

5. Then go back and hand in the task.

6. Then I received the task and returned to Salma.

7. Go back to Salma and find Naz Greer, and you can take on the task of assassin.