Friendship - and devotion - can be a powerful thing. Listen to the story of Perpetua and Felicity, two early African martyrs in Christian history. Number 150 from the book, Surrounded  By So Great a Cloud of Witnesses: Women of Faith who Revolutionized History by Dr. Lee Ann B. Marino (Photini Press, 2018).

You can find copies here: https://www.amazon.com/gp/product/194019752X/ref=dbs_a_def_rwt_hsch_vapi_taft_p5_i0