In the game "Shoot at Zombies", the "Salvo Gem" is a very useful gem that can increase the player's fire output, especially the ability to shoot with dual projectiles. According to the previous information, there are several common ways to obtain salvo gems:
1. Players can enjoy the privilege of challenging a special dungeon for free once a day. Taking this opportunity, massive gem resources can be obtained, including a volley of gems.
2. In the process of refining gems, players have a certain chance of triggering salvo gems, or even higher-level salvo gems, by refining the attributes and entries of existing gems.
3. In addition, you may encounter salvo gems by chance when opening treasure chests, but please note that the quality of salvo attributes must be at least blue.
4. There is no unique way to obtain salvo gems. Players need to invest time in acquiring them to have a chance to obtain them.
The above is all about how to obtain salvo gems in "Shoot at Zombies". For more game guides, please click the source code website.