This chapter features a difficult initial fight with limited cover. Use a Longshot or Marxa to pick off enemies from a distance before they swarm you.
If you are looking for a guide for of the campaign (which often corresponds to "Part 4" in video series), here are the key strategies:
Watch these walkthroughs to master the combat and boss fights in Act 4:
The end of Act 4 features a massive Swarmak battle. Focus fire on its glowing blisters and be prepared for a long, multi-stage fight.
Right-click part01.rar and select "Extract Here" (using WinRAR or 7-Zip ). It will automatically pull data from part04 and the others to recreate the full installer or game folder.