from
http://forums.diabloii.net/showthread.php?t=496854&page=2&highlight=cl/fo+guide
CL/FO
Cold Skills (26 total)
Ice Bolt (1) point. Prerequisite
Ice Blast (1) point. Prerequisite
Glacial Spike (1) point. Prerequisite
Frost Nova (1) point. Prerequisite
Blizzard (1) point. Prerequisite
Frozen Orb (20) points. Secondary Timered Spell
Cold Mastery (1) point.
Fire Skills (1 total)
Warmth (1) point. Increases the rate at which mana is regenerated.
Lightening Skills (83 total)
Charged Bolt (18) points. Prerequisite, Synergy
Telekinesis (1) point. Prerequisite for Teleport.
Static (1) point. Prerequisite
Nova (1) point. Prerequisite, Synergy
Lightning (20) points. Main Spell, Synergy
Chain Lightning (20) points. Main Spell, Synergy
Teleport (1) point.
Thunderstorm (1) point.
Lightning Mastery (20) points