Regimental Expansion IV
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Regimental Expansion IV has 5 Academy levels. The table below is the per-level resource and time cost, plus the listed power and buff increment at each rank.
Per-level costs
| Level | Food | Wood | Stone | Iron | Gold | Time |
|---|---|---|---|---|---|---|
| 1 | 860,000 | 860,000 | 170,000 | 43,000 | 11,000 | 17h 46m |
| 2 | 1,000,000 | 1,000,000 | 200,000 | 52,000 | 13,000 | 23h 6m |
| 3 | 1,200,000 | 1,200,000 | 240,000 | 60,000 | 15,000 | 1d 11h 33m |
| 4 | 1,500,000 | 1,500,000 | 310,000 | 78,000 | 20,000 | 2d 5h 20m |
| 5 | 3,200,000 | 3,200,000 | 640,000 | 160,000 | 41,000 | 5d 13h 20m |
Buff and prerequisites
| Level | Buff | Power | Prerequisites |
|---|---|---|---|
| 1 | +990% | 17,800 | Academy Lv. 21 Survival Techniques Iv Lv. 1 Assault Techniques Iv Lv. 1 |
| 2 | +910% | 16,400 | Academy Lv. 22 Regimental Expansion Iv Lv. 1 |
| 3 | +1000% | 18,000 | Academy Lv. 23 Regimental Expansion Iv Lv. 2 |
| 4 | +1000% | 18,000 | Academy Lv. 24 Regimental Expansion Iv Lv. 3 |
| 5 | +1700% | 30,600 | Academy Lv. 25 Regimental Expansion Iv Lv. 4 |
Names and costs are in-game labels. We do not copy third-party writeups of what the tech is "for."