Do I Just Roll Attack on That?

She turns to face you. She is holding a long metal tube with a series of runes etched onto it and she fires it directly at you. You all dodge the rocket flies and explodes behind you in a huge blast of eldritch light. Everybody roll initiative. Niac, you get to go first. Niac is going to cast Hunter's Mark. And Murph will tell us about that. So that's an extra D6 if you hit. Sweet Wow. That's so much. I'm just kind of 20. Mine is a night 20. What do I add to my dex saving throw? Merff Healthy daddy. 16? Yes. Oh, I have to actually figure out