Topic: Am I screwed against dragon at end of fire emblem blazing blade

My problem is this. I am at the end of blazing blade and fighting the dragon. My units are Athos with aurella forblaze luce and excalibur. Hawkeye with baskilos and Oswin with rex hasta. And my lords are very low level. I have no stat boosters of any kind, or any healers or healing items. Lost ninians grace when nills died and ninian too. Am I screwed? I did use save states and rewind feature and rng abuse on my way here. I already asked someone regarding this, but wanted others opinions.