A: These are the possible stats that upgrading your weapon will grant a bonus to. Depending on what tier you are at, you can grant anywhere from 1-10 additional points in any of the stats listed to your weapon. Q: Any catch with this? 极光，在地球极地，带电的高能粒子和高层大气中的原子碰撞造成的发光现象。 北极光是指常出现于地球高纬度地区高层大气中的发光现象，是太阳风与地球磁场相互作用... https://fernando1u8g3.theisblog.com/31963641/sur-北极光