- Description: As Tver, Yaroslavl, Ryazan or Odoyev, eliminate all other Rurikovich nations without changing your ruling dynasty.
- Difficulty Level:
|Achievement||A Decent Reserve|
|Description||Have a maximum manpower of at least 1 million.|
|Notes||Although the achievement specifically says "maximum manpower" you actually need to have more than a million saved up. Easiest done as Ottomans or Muscovy or Ming; the latter can demand manpower from its tributaries. Becoming Revolutionary Empire grants extra +25% national manpower modifier|