Wiktionary
unblooded
a. Not yet blooded; still to take part in combat.
Usage examples of "unblooded".
The Sixth, recruited earlier in this year and still unblooded, was a legion of shavelings looking very forward to some real fighting.
And so he spoke with the priests, and they have made it so in ritual, that when any new Companion, not seasoned by battle—where he is tried by the very confrontation with death—when an unblooded man joins with the Companions, there is this special testing, that he shall watch and pray all night by his arms, and in the morning confess all his sins and be shriven, and then be made knight.