Here is your chance to obtain the medals and walls needed to create your Sky city. Notice the word chance, meaning you may not get these materials.
Attack the arcane devil to obtain arcane walls.
attack the medal devourer to obtain the medals.
They are not available at lower or higher levels, only level 5.
Some 25K worms spitting corrosive material would cause extensive damage to my troops, so for this reason, I am not attacking these entities. You guys go on. 45 hours to go, and good luck!