Might have posted on here about this before, but the best activity we ever did like this involved making a paper chain. Everyone sat in a circle and each sister got a strip of paper. When it was their turn everyone said what made them a strong link in the chapter and what made them a weak link- what you were proud of and what you wanted to improve on. As you spoke, you stapled your link onto the chain. At the end we had a big circle showing that even with all our faults, our sisterhood encompasses all of us and is unbreakable. it was very emotional.