Spells: Broken Enc spells

[Slayn]

Shifting Sight, Cast Sight, etc. line of spells are broken.
They used to have all of the following attributes:

- Did not require LOS, only a target
- Caused zero threat
- Unresistable

Alliance and similar spells are also broken.
They used to have all of the following attributes:

- Did not require LOS, only a target
- Caused zero threat
- Unresistable


A minor detail:

When casting levitate, it should use the same sound as summoning a pet and have a green particle graphic.