Maggie is found inside the dungeon Miner's Steppe. She is portrayed to have orange hair, two sides having braids with a pink ribbon attached to it. With green eyes, she also wears a pink-purple clothing that ends all the way to the bottom.
Maggie was an orphan after her parents are passed away, Reinhardt took her under his care and since then she was very attached to him and she even consider him as her father. Because of her bond with Reinhardt she is willing to do everything to secure Reinhardt's ambition and willing to defect from church without any heeds.
When Hazel reveal her memories to the Envoy, Hazel herself was exhausted after she defend numerous waves of Demon attack after Reinhardt stops them as he claim that she was his colleague during his Campaign to seek medicine for his wife, Luciana. Lucas and Maggie are being ordered to decipher the language written on the Cube of Gaia before Reinhardt manage to seize the Cube and he want to spend time alone with Hazel. Later on Miner's Steppe, Maggie appear as opponent through Demon Summoning but ultimately she fails as the Demon was defeated by the Envoy and was captured by Victoria.
She later appear as one of the convicts at Silent Ice Field and Victoria got hard time questioning her. When Victoria and the Envoy are talking about Maggie that she is not co-operating, the Demon Assassin appeared and the Envoy defeats it. The dark seal was given to Victoria and later to Maggie but all of sudden she decide to co-operate after understands the Dark seal content itself. With her instructions, the Dark Fortress was secured however unaware by everyone she appear on Silent Ice Plain to hold the Templars back and she sacrifice her life to stop Templar Vanguard from capturing Reinhardt much to everyone's shock. However Maggie make a huge miscalculation by not seeing Victoria's dexterity as she was be able to place a tracker spell on Luciana before Reinhardt escapes with Luciana.
After her death and Reinhardt escapes, Victoria realize her intention as she start to remember about her proficiency on ancient language and it's revealed that the Dark Seal was brought from Reinhard to Maggie through Demon Assassin that was written, "Buy me some time" much to Victoria and Andre's frustation but Maggie's sacrifice also is a loss for Reinhardt's Army as the Dark Fortress was captured by the Templars and the demons are defeated.