Synergies are unlocked in any Zone 3 mission. They are powerful boosts that persist until the end of the run. They are build from a combination of specific items/augments/perks/superior items.
They are split into 3 categories: Augment Synergies, Perk Synergies, Bonus Synergies.
Augment Synergies
1. Bleed Glitch
2. Cascade Field
3. Conduction Arc
4. Core Splitter
5. Circuit Disruption
6. Crimson Drive
7. Crystalline Concentration
8. Deadman's Frenzy
9. Fracture Chain
10. Hollowpoint Rebound
11. Logic Override
12. Prism Mag
13. Remote Execution
14. Scopebreaker Halo
15. Thermal Lock
Perk Synergies
1. Blade Specter
2. Chains of Darkness
3. Consecutive Striker
4. Dome Shield
5. Dynamicism
6. Elemental Ascendant
7. Engineer
8. Fireworks
9. Ice Barrier
10. Lightning Caller
11. Psionic Whips
12. Reactive Defense
13. Regeneration
14. Ring of Fire
15. Switch Hitter
16. Volatile Plasma
Bonus Synergies
1. Barrel Chested
2. Color Coordinator
3. Elemental Power
4. Fast Mover
5. Handyman
6. Jackpot
7. Party Time
8. Rail Gunner
9. Soldier's Grit
10. Specialist
11. Spiny Membrane
12. Warlord