The Empire Tree is the noncombat research tree for the Vasari.
Expert Bounty Hunting and Raider Xenophobia were moved to the Fortification Tree in Entrenchment.
Nanotechnology
Introduces advanced nanomachine technologies ranging from medicine to resource generation, trade, construction and more.
| Name | Viturska Imperial Labs | Prerequisites | Effect (Per level) | Cost (Credits/Metal/Crystal) |
|---|---|---|---|---|
| Improved Salvaging | 1 | Increases scuttle rate by +50.0%, and increases scuttle value +20.0% | 400/0/25 | |
| Artificial Longevity | 2 | +20.0% faster pop growth | 600/50/100 | |
| Resource Sublimation | 2 | Increases the metal and crystal production of your mining facilities by 6.7%. | 600/50/100 700/75/125 | |
| Orbital Processing | 3 | Entanglement Filtering | Unlocks Orbital Refinery | 800/100/175 |
| Wreckage Auto-Salvage | 3 | Improved Salvaging | Increases salvage value +8.3% | 800/100/175 900/125/200 1000/150/225 |
| Entanglement Filtering | 3 | Resource Sublimation | Further increases the metal and crystal production of your mining facilities by 6.7%. | 800/100/175 900/125/200 |
| Off-World Exports | 4 | Unlocks Trade Port | 1000/150/250 | |
| Trauma Nanomedicine | 4 | Artificial Longevity | +10.0% pop survival | 1000/150/250 1100/175/275 |
| Catalyzed Atomic Sorting | 5 | Entanglement Filtering | Further increases the metal and crystal production of your mining facilities by 6.7%. | 1200/200/325 1300/225/350 |
| Valuable Goods | 5 | Off-World Exports | Increases the income of your trade vessels by +7.5%. | 1200/200/325 1300/225/350 |
| Power Draining Nanites | 5 | Unlocks Nano Weapon Jammer | 1200/200/325 | |
| Molecular Assembly | 6 | "ModuleBuildRateAdjustment" +5.0% | 1400/250/400 1500/275/425 | |
| Enhanced Nanites | 6 | Power Draining Nanites | 1400/250/400 1500/275/425 | |
| Matter Decompilation | 7 | Catalyzed Atomic Sorting | Further increases the metal and crystal production of your mining facilities by 6.7%. | 1600/300/475 1700/325/500 |
| Optimized Construction | 7 | "ResourceCostAdjustment" +4.0% | 1600/300/475 1800/350/525 | |
| Priceless Goods | 7 | Valuable Goods | Further increases the income of your trade vessels by 7.5%. | 1600/300/475 1800/350/525 |
Phase Mastery
Gives access to phase space monitoring research, phasic barriers, FTL transmission, phase stabilization, and access to the Dark Fleet.
| Name | Viturska Imperial Labs | Prerequisites | Effect (Per level) | Cost (Credits/Metal/Crystal) |
|---|---|---|---|---|
| Phase Space Monitoring | 1 | Detects incoming enemies 1 jump away | 400/0/25 | |
| Long Range Jumps | 2 | Allows inter-system travel | 600/50/100 | |
| Phasic Barrier | 3 | Unlocks Phasic Barrier | 800/100/175 | |
| Phasic Cloaking | 4 | Unlocks Phasic Cloaking | 1000/150/250 | |
| Worm Hole Stabilization | 4 | Allows passage through wormholes | 1000/150/250 | |
| Extended Range Sensors | 4 | Phase Space Monitoring | Detects incoming enemies 2 jumps away | 1000/150/250 |
| Gravity Tolerance | 5 | "HyperspaceExitDistanceAdjustment" -6.0% | 1200/200/325 | |
| Phase Tunneling | 5 | Unlocks Phase Stabilizer | 1200/200/325 | |
| Phasic Transmissions | 6 | "PlanetSlotsShipsAdjustment" +7.5% | 1400/250/400 | |
| Enhanced Tunneling | 7 | Phase Tunneling | "HyperspaceSpeedPhaseGateAdjustment" +20.0% | 1600/300/475 |
| Returning Armada | 8 | Enhanced Tunneling | 1800/350/550 | |
| Highly Attuned Sensors | 8 | Extended Range Sensors | Detect all phase jumps | 1800/350/550 |
Oppression
Provides access to planet occupation methods, propaganda, trade and enslavement abilities.
| Name | Viturska Imperial Labs | Prerequisites | Effect (Per level) | Cost (Credits/Metal/Crystal) |
|---|---|---|---|---|
| Full Terran Lockdown | 1 | +7.5% Terran planet pop | 400/0/25 | |
| Fortification Specialists | 1 | "PlanetUpgradeBuildRateAdjustment" +40.0% for "Infrastructure" planet upgrades, "PlanetUpgradeCostAdjustment" +25.0% for "Infrastructure" planet upgrades | 400/0/25 | |
| Expert Bounty Hunting | 1 | "BountyCollectedAdjustment" +12.5% | 400/0/25 | |
| Arctic Occupation | 2 | Allows Ice planet colonization | 600/50/100 | |
| Volcanic Occupation | 2 | Allows Volcanic planet colonization | 600/50/100 | |
| Raider Xenophobia | 2 | "PirateStrengthAgainstYouAdjustment" -10.0% | 600/50/100 | |
| Compelling Propaganda | 3 | Unlocks Media Hub | 800/100/175 | |
| Enslaved Labor | 3 | "CreditCostAdjustment" +4.0% | 800/100/175 | |
| Subzero Biology | 3 | Arctic Occupation | +7.5% Ice planet pop | 800/100/175 |
| Extreme Heat Metabolism | 4 | Volcanic Occupation | +7.5% Volcanic planet pop | 1000/150/250 |
| Regimented Thought | 4 | Compelling Propaganda | +5.0% culture spread, +3.8% weapon damage when in culture | 1000/150/250 |
| Shock and Awe | 5 | Regimented Thought | +20.0% Capital Ship repel rate | 1200/200/325 |
| Sulfurous Respiration | 5 | Extreme Heat Metabolism | +7.5% Volcanic planet pop | 1200/200/325 |
| Cunning Sympathizers | 6 | Regimented Thought | +5.0% culture spread, +3.8% weapon damage when in culture | 1400/250/400 |