Because there are a variety of maps and weather in the exciting battlefield, players in different environments can see different scenery. So many players in running poison or moving, often will be similar to the enemy props or obstacles as the enemy, after shooting, but found that the object does not move blood. At this time, we found it was dead.
If other enemies are attracted because of this situation, the gain is not worth the loss. So good eyesight is also very important.