Research Facilities enables a player to upgrade various units:
Do more damage in combat.
Have greater accuracy.
Are built faster.
Cost less to produce.
Deflect an enemy hit.
This list of upgrades is in order of expense. To upgrade a unit a player must visit the appropriate research facility. Upgrades of land units take place at the Army Research Lab, naval units at the Navy Research Lab, and air units at the Air Force Research Lab. Unlocking the upgrades for each unit costs various parts.
Researching damage increases the damage dealt each turn by 25%.
Researching accuracy increases the unit's chance of scoring a direct hit and critical hit by 10%.
Reduce Build Duration
Researching build time decreases the time required to build the unit by 25%
Reduce Build Cost
Researching cost decreases the cost of the unit by 25%.
Strength refers to increase the health of a unit.
Increasing strength is distinct from the other upgrades in that the amount of increase varies by unit. Most strength upgrades also cost Empire Points, as opposed to the other types of upgrades. Choosing this upgrade increases unit strength by 100%, 50%, 33%, 25%, or 20%. For more details, visit the appropriate Research Lab page.
Only Tier 1 Units Increase Strength upgrade is free (10000 Coins, takes 8 Hours)
Shield refers to the ability of deflecting an enemy hit.
Shield Upgrade is used 1 time/battle. All upgrades cost Empire Points.
Shield Upgrade and Increase Strength
This is automatically obtained by acquiring Shield Upgrade and Increase Strength.