Ancient Upgrade Factory

First Appearance
BTD Monkey City: Bloon World

Stats
Cost: 15 Bloonstones

Time to build: 60 minutes

Unlocked at getting 1 knowledge pack.

Space Required: 2x2 spaces

Power Required: 20

Upgrades
Upgrade 1: X1.5 (Effect: gives you 15 extra lives on future games, and gives +15 cash and 50% more starting cash. ((Cost: 30 Bloonstones)) ((((Time Required: 1 hour )))

Upgrade 2: "Name: Inferno Stuff" Gives an ability for all future games **Cooldown: 1 minute** that burns non-moab bloons dealing 1 layer per 2 seconds and lasts for 8 seconds. (Costs 10 NK Coins, takes 1 hour)

Upgrade 3 "3= FreeX5" Gives 5 free tack spikes and 5 free pineapples every game. (Costs 11 NK coins, take 65 minutes)

Upgrade 4: "Counter Moab Unit" Makes all towers deal 50% more dmg to moab-class bloons (Costs 35 NK coins, takes 2 hours)

All premium upgrades from btd5 can be purchased here except double cash, triple lives & Moab-class sabotage.