For which character, which realm, and do you mean only classic lands, or shrouded isles too (which currently gets double xp, so is the place to go).
Darzil
What realm, I levelled all over classic in alb
im a BA bdl vl 20
1. Find yellow mobs.
2. Kill yellow mobs.
3. Rinse and repeat.
Come on, youve been around mid long enough to know where mobs are in the realm...