Tower idea:clock tower
When finish ticking darts come out popping every bloon near it
Upgrades:
Tier 1:less ticking l sharper darts
Tier 2:clock popping l clock range
Tier 3:clock ticking | sharp arrows
Tier 4:clock alarm l clock massacre
Less ticking: ticking becomes less
Sharper darts:darts can pop through 2 layers
Clock popping:can pop through lead and ceremics
Clock range:small increase of range
Clock ticking: ticks less
Sharp arrows: arrows come out instead of darts
Clock alarm: ability:all towers nearby its range attack 56 percent faster
Clock massacre: darts and arrows make a circle popping every bloon out of range l
This took very long to make I hope you like it