Academy Lvl 25 Lords Mobile. You need this building maxed for academy level 25 same with the altar and prison so spend gems on these buildings as much as possible so you can unlock. Execution wait times depends on the leader level;
Lords Mobile Requirements for Unlocking T4 Troops Lords Mobile from lordsmobile.org
The lvl 25 farm and lvl 25 lumber mill is listed as a prerequisite for a lvl 25 manor. To calculate how many gems you would need to spend to level the battle hall from a certain level to another simply substract each individual gem investment. The prison allows a player to capture enemy leaders with level 10+ castles.
Lords Mobile Requirements for Unlocking T4 Troops Lords Mobile
(lv 25 prisons will grant an army atk boost when an enemy leader is imprisoned.) altar: Lords mobile tool that lords mobile market created for players who interested in level 25 academy to find out the exact amount of materials they needed. Execution wait times depends on the leader level; To get these buildings to level 25 you need a bunch of steel cuffs and war tombs etc which, if you do the maths, equates to roughly 200,000 gems per building.
