Placed on a call centre when that was not originally part of your role with little training
As I never worked in the office before, I had to speedily retrain my brain and body to sit still and be silent for a significant number of hours. This in-learnt skill helped me on several occasions especially when I was applying for other jobs I had developed interest in but not necessarily had the experience.
You should not be afraid to challenge yourself, if you really want to achieve the results.
Stakeholder management within a Group function was difficult at times.