He may have lost out by losing his Soul but he had a worthy replacement in the form of his consciousness pillars and Knowledge Well.
Rowan had left only two consciousness pillars for his use when outside battle, it was more than enough.
He went to the side of Eva who was watching both the massive numbers of Angels of Char, the Divine Tree growing in the distance, the enigmatic City of Sheol, and the dazzling amounts of Soul Crystals that represented an oncoming upsurge in their strength.
Her breathing was rough as she did not expect this amount of improvement in the short time that Rowan was sleeping.
Calling her to his side, Rowan began to outline the plans he had for his growth.