In front of Lucas, the complete details of the Silverstone city appeared. From the simple buildings to special buildings, from human houses to spirit beast lairs and dens.
'The plus sign besides these special buildings is how I upgrade them.'
Lucas clicked on the '+' symbol beside the Potion hall and a system notification appeared in front of them.
'Ding,
Upgrade conditions for Potion hall to level 3.
1) Level 3 potion hall blueprint.
2) 10000 level 2 potions.
'Oh. There are only two upgrade conditions.'
Lucas nodded his head and from the two conditions, he felt only the first condition was difficult and the second one was an easy one that depends on the time.
Soon, he checked the upgrade conditions for the other level 2 halls, which had similar conditions specific to those halls.
'Ding,
Do you want to automate the upgrades of the special buildings and other structures?