T4 Hell Cannon (research node)
This node of the Common (first set) research tree unlocks T4 Hell Cannon.
| Category | Common (first set) |
| Unlocks | T4 Hell Cannon |
| Parent node | T3 Hell Cannon |
| Unlocks next | – (end of line) |
| Enabler extension | – |
| Point prices | common=100k; hitech=50k |