There are a few ways to get an amulet of glory in OSRS. The most common way is to find it as a reward from completing tasks or quests. Another way is to purchase it from the store. Finally, there is also the option of finding it as a drop from monsters or looting chests. The best way to get an amulet of glory is to do some research on where and when to find them. There are different areas in which amulets can be found, so make sure you are exploring all of your options before you start looking for them!
