I've done the North Sea....once you grasp the multi sector load sheets it ain't so bad! Met some great people....met some not so great people! But what is most definitely the most boring thing about the North Sea (& probably the helicopter world!!) is listening to North Sea Pilots telling you how hard their lot in life is!! B O R I N G!!
No matter where you fly you'll face challenges! I've flown the North Sea & quite frankly there are challenges.....but it doesn't measure up to some other jobs! I left for one reason only....it was tedious & was no longer offering a challenge!
The old saying 'How do you know ther's a pilot in the room? He tells you!' springs to mind!