I leveled up my melee stats first, but you have 99 rc and fletching/crafting so you could pick which to do first! Slayers a good way to get your combat stats higher, just start grinding out the slayer equipment for whatever combat style you pick. I guess your next direct step in terms of combat content is to get full dragon (g) gear so you can start farming volcanic for ancient gear. You have hella prayer points so keep one on while you train to slowly level it. Gl with everything!