Invisibility Sphere

Invisibility Sphere
Magic Resistance: No
Advanced Eldritch Spell [Magical]
Prerequisites: Eldritch Rank 5
Disciplines: Illusion
Potency: [1d8 + Eldritch Rank]
Cast Action [CT 5, REC 4]
Components: V, S
Cost: 2 Resolve
Duration: 10 Rounds or until dismissed, dispelled or disrupted.
Upkeep: Free action, spend 2 Resolve and increase the duration of this spell by 10 Rounds
Area: 15ft diameter hemisphere centered on you.
Effect: You create an immobile, spherical area of invisibility. All creatures and objects that fit completely within the hemisphere are rendered invisible, gaining Superior Concealment against the visual senses of all creatures outside the sphere. Creatures within the sphere can see other creatures within the sphere and can also see out of the sphere without penalty. Any creature or object that leaves the sphere instantly becomes visible again. Likewise a creature or object that moves into the sphere becomes invisible. If a creature within the sphere makes an attack on a creature outside the sphere, it becomes visible after the attack is resolved. It may become invisible again by completely leaving the sphere for 10 or more segments, then reentering the sphere.
Master Augment, Expansive Invisibility
[Eldritch Rank 6, Stackable]
Stacking [Eldritch Rank 6, 7, 8, etc.]: This augment may be applied an unlimited number of times and is only limited by your Eldritch Rank.
Cost: 1 Resolve
Effect: Increase the diameter of the area by 10ft.
Master Augment, Eldritch Cloaking
[Eldritch Rank 7]
Cost: 2 Resolve.
Effect: Creatures within the sphere no longer become visible if they make an attack. The duration of this spell changes to 1 Round. The upkeep of this spell now extends the duration by 1 Round.