Prerequisites: Earth or Ice elements (if taken as an elemental sphere only)Special: Three times per day, whenever you cast a spell or spell-like ability with the [Cold] descriptor, you may apply the Extend Spell metamagic feat to it for free. Level – Benefit * 1 – Chill Touch * 3 – Gentle Repose * 5 – Hold Monster * 7 – Wall of Ice * 9 – Stoneskin * 11 – Transmute Mud to Rock ([Cold] descriptor, rock appears as frozen mud) * 13 – Waves of Exhaustion * 15 – Horrid Wilting * 17 – Imprisonment * 19 – Simulacrum