For versions with fewer floors than 50, just add attack all the way. For versions with more than 27, add attack before adding defense, and then add attack and defense according to the situation.
This district can pay more for its lives and try its best to save yellow keys. The order in which gems are obtained is important. If you miss any gem, you will lose a lot of life in places such as the 10th floor decisive battle, which is not advisable.
In order to reach the critical point of a specific monster's attack, take rubies, and take sapphires at other times. After the attack power reaches 23, the number of attacks of the junior mage is 3 times and that of the skeleton is 2. Adding one more defense will have a greater effect on the former, so take the sapphire guarded by the skeleton first, and then take the sapphire guarded by the junior mage. Taken due to the power of the Skeleton Soldier, the merchant's key on the 7th floor is not available for purchase yet.
Guide to the 50th floor of Magic Tower
There is no shortage of blue keys at this time, the purpose is to save 2 yellow keys through the wall. There happens to be 50 gold coins here. 7-layer rubies (attack power 22, critical point of skeleton soldiers). Beat the 7-layer skeleton soldiers and go up to the 8th floor. Save 2 yellow keys. Open the 3 yellow doors above the 8th floor. Take the 3 yellow keys and go up to the 9th floor.
Layer 9 iron shield (go to the right to bypass the blue door), layer 9 red sapphire (attack power 23, critical point for junior mages and skeletons) · 4 yellow keys and sapphires on the upper left of layer 6 (to prevent red slimes) open layer 9 10th floor above the blue door on the lower left.
Many strategies choose to fight skeletons to bypass the blue door, but I can't find a way to use this blue key to save more lives. ·10 layers of sapphire·3 layers of sapphire.