Karl went from the Trial ground directly back to his room in the Tiny World.
That was the most secure place that he could think of for the advancement to complete, and if he opened the portal a little, he could still safely suck in mana from both the Guild House area and the apartment in the New Home Merchant Clan's compound.
Not that he expected to need more mana just to finish a physical advancement.
The moment that he landed in bed, Karl's clothing automatically unequipped itself and returned to storage, while his body returned to its natural human form before beginning to twist and deform. The change this time was not just a small one, or a matter of durability, his whole body was being remade.
Dana was going to join him, for moral support, but the System had erected a barrier, and she couldn't enter the bedroom.
