| Fortress Destroyer Towers | |
|---|---|
| - Hartkern - | |
 | |
| Damage/Pellet | 195 |
| Damage per Minute | 10140 |
| Targets | Land/Sea/Air |
| Rate of Fire | 52 |
| Range | 560 (Long) |
| Accuracy | 70% |
| Critical Chance | 0% |
| Weapon Class | Missile Launcher |
| Damage Type | Ballistic |
| Slot Size | Medium |
| Additional Stats | |
| Penetrates 14 points of enemy armor | |
- "Fast firing tungsten core missiles succesful penetrate 14 points of enemy armor when other weapons fail"
- ―Official Description
Hartkern is a Hyper Rare Missile Launcher, and can only be obtained after level 30. Hartkern is german for "Hardcore". The Hartkern is great for taking out relatively high armoured enemies, such as the Kraken.