Energy flowed into Dorian's veins without pause as the world around him turned to ash. Almost every Artifact he touched had Energy in it, of some nature, and could be absorbed into Growth Points by his Soul Spell Matrix.
WHOOSH
clang
clang
teee
Various metallic echoes and noises rang out as the massive piles of treasure he was moving through shifted, hundreds of Artifacts and more fell apart. A chain reaction of moving treasure caused the entire pile to slide around, causing the large hall to fall into a cacophony of noise.
According to Ausra, at a very rough estimate, Dorian needed to spend roughly 3,000,000 to 15,000,000 Growth Points to bring Will back by forming a new body using his Soul Spell Matrix.