Siphon Sphere

Needs to be finished.

Needs to be verified.

DESCRIPTION
A warping, spherical field of force flies in whichever direction you point and deals bleed damage to those it siphons. It has a fly speed of 20 feet with perfect maneuverability. If it enters a space that contains a creature, the sphere stops moving for the round and deals 1d6 points of bleed damage (per 5 levels, max 4d6 base) to that creature increasing by 1d6 damage (per 5 levels, max 4d6) each time it successfully deals damage to the same target, though a successful Fortitude save stops the damage from increasing for that round.

''After dealing damage twice it provides concealment (20% miss chance) to anything within it. ????''

The sphere moves as long as you actively direct it (as a move action for you); otherwise, it stays at rest and is unable to siphon any blood. The blood be moved by wind effects and counts as a Small creature for the purpose of determining how winds affect it, usually just splattering the blood in a certain direction. The sphere has no physical substance and cannot exert any force on corporeal creatures or objects. It disperses if it exceeds the spell's range.