His final choice was a Non-Soul Apostle wizard.
Since he was advancing directly upon his existing Spirit Core, he bypassed the effort of condensing a second spiritual power core and a second Innate Wizardry Model. From the start, he only needed to mobilize the enormous dispersing spiritual power of 270,000 souls within himself, forcibly stimulating his spirit and prompting his spiritual power to undertake a second leap in progress.
Level 2 wizards might form the basic rung of the Wizard World, but that was a relative statement. In today's world, where Level 4 Dawn Wizards were exceedingly rare, Level 2 wizards already constituted the middle and upper tiers of the various Schools. Some of the leaders in small wizarding factions might be at this level.