Bronya is a patient, compassionate and dutiful troll, immediately taking the player in upon hearing that the player is suffering from some injuries. She is also in charge of the nursery for ill and wounded wigglers, taking care of them instead of letting them die. 

While Bronya is a capable leader of her fellows, she can be quite neurotic and anxious at times. This in turn causes her to have a bit of trouble delegating responsibilities to people she just met, as she has no way of telling whether said person is truly capable of handling important duties. Most of the time, she prefers to manage situations by herself.

She also has a tendency to create lists of things, which probably ties in with her role as leader of the jades as she's usually the one issuing instructions and rules for her fellows. It may also hint that she prefers coordination in life, rather than being disorganized, which might impede her tasks.

Despite being one of the nicer trolls, she can become quite irate if the player harms those under her care, directly or otherwise. She is perfectly willing to toss the player out of a window for accidentally killing a wiggler, and also curses at the player when the Imperial Drones start slaughtering anything that moved in one of the bad endings. This also highlights her protective nature, as she takes her job of taking care of the lusii, wigglers and Mother Grub very seriously.