Data Emperor is an achievement/trophy in Deus Ex: Mankind Divided. It is awarded for completing five Tier 4 Network servers in the Breach mode of Mankind Divided. The achievement is also available in the standalone release of Breach.
Tier 4 has a single network, Network 4A. Complete five servers in this network to complete the achievement.
As with other tier-completion achievements, only standard servers need to be completed. It not necessary to complete any of the Darknet nodes or to collect any of the reward notes. Completion of bonus objectives is not required.