Add mechanic games

i have a few idea,
1) In games, we as players usually have a battleship to unlock new areas by fighting enemy ships, right? To make it more interesting, how about allowing the player’s battleship to be destroyed — but still purchasable again, like a cargo ship? The restriction remains: only one battleship can be owned at a time, just like usual. When repurchased, the battleship would return as a tier 1 (default production) version, not the upgraded one the player previously owned.
This way, the player would have a reason to fight and upgrade again, adding more challenge. To make it even more engaging, if the player doesn’t continue the attack within a certain period of time, the enemy battleship’s health will fully regenerate back to 100% — just like how the player’s battleship returns to base when its health gets low.

2) This idea came to mind while playing Going Medieval. When the player has already unlocked all paths on the map, the battleship ends up just being a decorated produc