Assume you use the variable Creeptimer...
Trigger:
- Actions
- Countdown Timer - Start Creeptimer as a One-shot timer that will expire in 35.00 seconds
- Set Creeptimer = (Last started timer)
- Countdown Timer - Create a timer window for Creeptimer with title Next wave:
- Countdown Timer - Show (Last created timer window) for Player 1 (Red)
- Wait 35.00 seconds
- Countdown Timer - Hide (Last created timer window) for Player 1 (Red)