steadfastly
2 occurrences across the corpus
OT Pseudepigrapha
4 Maccabees 3:4
But the great-souled and noble man, an Eleazar in very truth, was no more moved in his mind than if he were being tormented in a dream; yea, the old man keeping his eyes steadfastly raised to heaven suffered his flesh to be tom by the scourges till he was bathed in blood and his sides became a mass of wounds; and even when he fell to the ground because his body could no longer support the pain he still kept his Reason erect and inflexible.
4 Maccabees 5:24
But he steadfastly enduring this agony said, 'How sweet is every form of death for the sake of the righteousness of our fathers!'