Flag of the Stronghold (Major)
This magical banner is off-white with a depiction of a stronghold that's often colored in a striking blue. Those who stand under the banner are prepared to face the weapons of war and defend their keep until the end. You and allies within the banner's aura gain resistance 10 to damage from siege weapons.
Traits
An aura is an emanation that continually ebbs out from you, affecting creatures within a certain radius. Aura can also refer to the magical signature of an item.
Something with the magical trait is imbued with magical energies not tied to a specific tradition of magic. Some items or effects are closely tied to a particular tradition of magic. In these cases, the item has the arcane, divine, occult, or primal trait instead of the magical trait. Any of these traits indicate that the item is magical.