I think the fading away was the "systems" trying to collect the souls cause with the zakart dungeon we learned that souls will lose there memories...
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-side-chapter-65/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-side-chapter-64/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-361/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-360/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-357/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-352/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-350/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-349/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-348/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-347/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-343/
I'm expecting that he's going to find out he has so hidden talent in some form of material crafting and impress Van. He might even get Van's...
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-340/
It wasn't 2 rounds of puberty it was two growth spurts that cause the pain.
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-334/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-side-chapter-60/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-330/
https://lightnovelbastion.com/novel/death-mage/volume-14/death-mage-323/
https://lightnovelbastion.com/novel/death-mage/volume-13/death-mage-chapter-316/
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