The Terence Castle Catapult costs 896 (1), or 796 (2) AB$, & it shoots a terence at pigs.
| T1 Upgrade | T2 Upgrade | T3 Upgrade | T4 Upgrade | |
|---|---|---|---|---|
| Terence Castle Catupult upgrade | Longer Range | Twice the Terences | Boss Terence | Three Bosses |
| Cost | 450 (1) 415 (2) | 1,800 (1), 1,000 (2) | 55,000 (1), 50,000 (2) | 90,500 |
| Ability | Increases range. | Shoots two birds at a time. | Shoots a blue bird that's 25 times bigger. | Shoots 3 blue birds. |