In Mobile Strike Death Row allows you to execute a captured Commander, which is currently held in your base.
You need a level 15 Prison before you can build a Death Row, which in turn means your base will need to be level 15.
After executing a commander you are rewarded with temporary boost to your base. Increasing the level of your Death Row, increases the attack, defense, health and speed boost granted after an execution. You can only execute players with a base level of 15 or above.
Upgrading your Death Row requires Golden Bullets (along with the normal resources). You will need 30,000 in order to max this building, at a cost of 10,000 gold for 1,000 golden bullets, it will cost you around 300,000 gold!
The Death Row is one of the buildings you need to get to level 21 in order to unlock tier 4 troops.
The table below has the build cost for each upgrade level from 1 to 22, the build time (before boosts), buildings required and the power rewarded.
Prison Building Requirements
The figures in red have been extrapolated based on previous level data. Whilst the data should be broadly correct, the red numbers may differ slightly from the actual game figures.
We will update with accurate figures (in black) as we can verify them. Please feel free to leave any details you have from Mobile Strike by commenting below and we will update the data accordingly.