Æl-cræftig

According to the Old English Dictionary:

æl-cræftig

adj. All-powerful, all-mighty; omnipotens :-- Nán þing nis ðín gelíca, ne húru ǽnig ælcræftigre nothing is like unto thee, nor is any one more all-powerful, Bt. Met. Fox 20, 76; Met. 20, 38. æl-cræftig