Aside from 9 free sigils, how many minimum Tiers does it take to finish all reward stages again? I’ll stick with keep-advancing strategy, and will report it back on Sunday! ^^
For my initial Delve layout, there is a bit more spread between the brute force and optimized number of points I can earn per Delve: 155 points out of a maximum of 2785. To maximize your score you should obviously collect the big bonuses from the bottom spur (with the legendary room) before doing the top spur. If you have an unusually generous ultra-rare room beneath the starting common room, it might be better to do that before proceeding to the epic room in the middle.
The issue with the weapon has been fixed. Please restart your game to see these changes. (Please be aware that you will need to restart again when the pet fix goes out later, so maybe give it 15 minutes.)