Guild Wars 2

Hello i unlocket 4k AP chest, pick up Short Bow, and used it on item, and its not displayed in AP panel anymore. All other waepons are viable to pick anytime i want, but shortbow after one use disappear. Im just notice it when i destroyed my weapon with skin, and wanted pick up it again frome panel.

Would you please include a screenshot of your Achievements Panel that shows your unlocked skins and your current amount of achievement points?