1. cleaning the kitchen? wow, you have a chance of failure.
2. collecting the dishes? wow, you have a chance of not getting a dish while 'killing' plates.
3. collecting garbage and fire on prison? wow, you have a chance of failure.
4. killing 30 medusas in one shot? wow, you have a chance of not getting a single sea stone.
5. giving flower to dark lord? wow, you have chance of being dumped.