The Fortification Tree is the defense research tree for the Vasari.
Regeneration Bay and Hangar Defense were originally from the Warfare Tree.
Fortification[]
| Name | Lirtestra Weapons Labs | Prerequisites | Effect (Per level) | Cost (Credits/Metal/Crystal) |
|---|---|---|---|---|
| Regeneration Bay | 1 | Unlocks Regeneration Bay | 400/0/25 | |
| Disruptor Nanites | 2 | Unlocks Disruptor Nanites for Missile Platform | 600/50/100 | |
| Remote Assembly | 2 | Unlocks Construct Starbase for Jarun Migrator | 600/50/100 | |
| Enforced Loyalty | 2 | Unlocks Enforced Loyalty | 600/50/100 | |
| Hangar Defense | 2 | Unlocks Hangar Defense | 600/50/100 | |
| Ruiner Prototype | 3 | Unlocks Sivuskras Ruiner | 600/50/100 | |
| Colony Pods | 3 | Remote Assembly | Unlocks Colony Pods | 600/50/100 |
| Merchant Cargo Bays | 4 | Remote Assembly, Offworld Exports (Empire Tree, Nanotechnology) | Unlocks Merchant Cargo Bays | 500/75/125 |
| Rapid Reintegration | 4 | Remote Assembly | Unlocks Debris Vortex | 800/100/175 |
| Assault Deployment | 4 | Starbase build rate in hostile grav. wells increased 25% per level | 1000/150/250 1100/175/275 | |
| Phasic Trap | 4 | Hangar Defense | Unlocks Phasic Trap for Hangar Defense | 1000/150/250 1100/175/275 |
| Frontal Deflector Shield | 5 | Unlocks Frontal Deflector Shield | 1200/200/325 | |
| Gravity Mines | 6 | Ruiner Prototype | Unlocks Gravity Mines | 1400/250/400 |
| Phase Stabilizers | 6 | Phase Tunneling (Empire Tree, Phase Mastery) | Unlocks Phase Stabilizer Arrays | 700/125/200 |
| Maximized Firepower | 7 | Additional Weapons Banks +1, Damage increased 10% | 1600/300/475 | |
| Intelligent Armor | 7 | Hull increased 5% / 10%, Armor increased 3 / 6 points | 1600/300/475 1700/375/500 |