Plus, when upgrading to Earthly King and Heavenly King, the number of monster cores doesn't decrease.
Thus, even if he slaughtered this lord continent, which can already be considered the strongest lord continent visited by humanity, he will only be able to upgrade a few buildings to heavenly king rank.
As for demigod rank, well, there is no demigod rank building. After the Heavenly King, the next step will Divine realm.
In fact, the realm of Demi-God, false God, and such came to be because the gap between the Divine realm and the Heavenly King realm is far too vast.
Thus, his hero summoning building after upgrading will transform into a king rank building, then directly into a divine rank building.
This is one of the key pieces of information he was able to learn from Yulan's father; this is also why he has only planned for two more Valkyries.
