Witch 3 The black widow's treasure box is located in the sunken ship. According to the relevant public information, the specific methods to obtain the black widow's box of Witch 3 are: 1, triggering the task, Tausent, right coast of Roviv. 2. Kill water ghosts on the coast, investigate the bodies on the ground and read letters to trigger the task. This task is called black widow. The young soldier was urged by his fiancee to salvage the jewels from the sunken ship, which is a reef island in the middle of the lake. Swim over and dive, you can find the wreck, open the treasure chest under the wreck and complete the task.