Complete walkthrough for Part 19 of StarCraft II: Wings of Liberty, 'Investigate the Dominion Lab'. Includes objectives, rewards, and detailed mission steps.
Walkthrough
- 1Start with Jim Raynor, 2 Medics, and 5 Marines. Head to the gate, set a breaching charge, and back up.
- 2Engage the Firebat and its Marine allies. Move to the first beacon and activate the security camera.
- 3Activate the left guns, then clear the remaining Firebats and Marines.
- 4Enter Lab 1, destroy the holding pen, and defeat the shackled Ultralisk. Set a breaching charge on the door and exit.
- 5Move out of Lab 1, eliminate the 2-3 Marines, and grab grenade ammo.
- 6Head east, defeat the next squad of Marines, Firebats, and Medics.
- 7At the top of the ramp, use a grenade on the Marauder and access the second security station. Choose to release the Ultralisks to clear enemy forces.
- 8Finish off any remaining Ultralisks, destroy the holding pen, and collect the Protoss Relic.
- 9Exit the lab and open the northeast door for plasma shots.
- 10Move southwest through the gate, use grenades on the grounded Viking and Siege Tank.
- 11Access the security terminal and arm the bot to target the Siege Tanks and Vikings, then clean up remaining Marines.
- 12Grab additional grenade ammo in the back of the room and head northwest.
- 13Use plasma shots on the waiting Siege Tank and Viking. Access the 4th security terminal.
- 14Request troops if needed (consider Medics). Blast the northeast door and advance, using plasma and grenades.
- 15After clearing the room, head southeast for grenades, Resto, and the second Protoss Relic. Grab more Plasma ammo and activate the security terminal.
- 16Release the Brutalisk (optional) and defeat it. Set a charge and blow the northeastern door.
- 17Exit Lab 3 and enter the Fusion Lab. Kill the Marines and destroy the Fusion Reactor.
- 18After the destruction, head northwest for plasma shots, then southwest, clearing troops. Grab the Chrono Rift Armor.
- 19Head south, destroy debris, and outrun the pursuing Destruction. Activate a security console for bot assistance.
- 20Move southeast, use a grenade on a debris pile for Chrono Armor, then head south for Resto.
- 21Quickly grab the Protoss Relic in the next room while avoiding experiments.
- 22Continue southeast, running from the Destruction. Grab the 4th Protoss Relic and keep running, clearing debris with grenades as needed.
- 23Reach the Zerg-infested room and clear it slowly. Kill the Ultralisk upon exiting.
- 24Grab the next Chrono Armor and continue running. Use a grenade on fighting Zerg and Marines and run through the blast.
- 25Head straight for the beacon to complete the mission.
Tips
- Releasing the Ultralisks in Lab 1 can significantly help clear enemy forces.
- When accessing the security terminal after the first gate, arming the bot to target the Siege Tanks and Vikings is an effective strategy.
- Consider requesting Medics at the 4th security terminal if your forces are lacking support.
- The Chrono Rift Armor is crucial for surviving the Destruction in the later stages.
- Use grenades strategically to clear debris and enemies blocking your path.
- 125,000 Credits
- +4 Protoss Research
- +3 Zerg Research
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