She was sent through hell and purgatory, and given the assignment to recount her vision to help restore spiritual order to her house.
[4] Costers lived a more withdrawn life after her illness, which had left a lasting wound on her chest above her heart.
[7] Her Visioen en exempel was written in the style of the Visio Tnugdali, a 12th-century religious text of otherworldly visions.
Order and system were important to her, and she set up the devotions in a numerical structure similar to the Rosetum by Jan Mombaer, an Augustinian friar (1460–1501).
[9] She was said to have had an encounter with Christ who explained the "purpose of suffering", and in a letter described a revelation in which Saint Anne appeared to her.