Despite the name and intended purpose of this spell, it works on both the Astral and Ethereal planes.

Enhanced Move (Thought-Based Movement) 1 [14] 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "think" in Latin 
        Must gesture with hands 
Level 2 [18] 
    Add Extended Duration (x3) [+20%] 
Levels 3-8 [22/26/30/34/38/42] 
    Improve Extended Duration by 1 step [+20%]