Sea of Thieves is an action adventure game, which contains all kinds of light beams. According to the game settings, there are six different colors of light beams in the game.

These beams are:

1. Flame beam: red beam, indicating that some treasures or tasks related to flame are hidden.

2. Storm light beam: blue light beam, indicating that some treasures or tasks related to storms or marine disasters are hidden.

3. Wine column: Jin Guangzhu, which means hiding some treasures or tasks related to wine or brewing.

4. Gold-plated beam: golden beam, indicating that some treasures or tasks related to precious and rare items are hidden.

5. Demon beam: The purple beam indicates that some treasures or tasks related to demons or black magic are hidden.

6. Mysterious beam: Emerald beam, indicating that there are some hidden treasures or tasks related to unknown legends or mysterious forces.

Each light beam marks the existence of a special task or treasure, and players can decide whether to pursue further according to the color of the light beam.