Mana Siphon

 is an active skill that can be taught to Sorcerers at level 14. It cannot be ranked up.

can be performed with a disc by the Sorcerer to steal up to 900 MP from opponents. This skill is especially useful in PvP, because player mana pools aren't that big anyways.

Rank table
To obtain Backstep (Sorcerer), one must find a Magic Instructor and pay a certain price of gold. The player will be led to do this during the zone quest Initial Sorcerer Training. This skill cannot be upgraded.

To obtain, one must find a Magic Instructor and pay a certain price of gold. This skill cannot be upgraded.

Glyphs
To glyph, a glyph must be obtained and learned only once. At level 60, a character has 50 glyph points available to spend on all available sorcerer glyphs. Most glyphs, specifically common glyphs can be purchased from a Glyph Master, while fine glyphs must be looted from enemies.

(Disclaimer: As NPC shop prices vary depending on a variety of factors, the prices below are subject to variation. Only take them as benchmarks.)