Speed bonuses sum, then divide the timer. Maxed construction techs cut ~a month and a half off the CH25 climb; the full research buff window reaches ≈+63% (D.6.3).
the unbuffed time shown before you press start
Scientist title ~10%, Korea civ, alliance tech, an Orange rune up to 20%
| Field | Example | Where it comes from |
|---|---|---|
| Raw timer | 100 days | Combat Tactics Lv 10 for a typical account |
| Writing + Mathematics | +25% | the Academy economy speed techs |
| Extra bonuses | +38% | Scientist title ~10% + Korea civ + alliance tech + Orange research rune 20% |
Total ≈ +63%: the 100-day node completes in ≈61 days — ≈39% more research per speedup-day. Never release a big node unbuffed.