Level 63/69 is bought with training points. Level 67 is school quest.
All level 63 spells are [school name] sphere, changing it from one attack to the opposite. All level 63 spells are 0 pips, and all level 67 spells are 9 pips.
Death: 67- Night Stalker: 800 damage & half heal. Animation: Malistaire's minion (like the one in his battle) comes out, shoots blue stuff, then shoots it back at you as health. 69- Night Blade: +35% attack to next steal health spell.