The specific sentence in Old English is: "Ne stent nan oðer lad æt tihtlan bute ordal betweox Wealan [and] Ænglan, bute man ðafian wille."
Any secondary literature relevant to this would be very much appreciated!
edit: I realize I've misspelled Dunsaete and cannot edit the title - whoops!
While waiting for an answer you might want to see this related answer I wrote a while back, that discusses some aspects of Trials by Ordeal in Medieval Europe.
https://www.reddit.com/r/AskHistorians/comments/788jme/comment/dosnfut