Things to cast on level 10-14 twinks are:
Scroll of Stamina IX from a level 80+ scales down.
Depending on primary stats one of these buffs:
Scroll of Agility IX from a level 80+ scales down.
Scroll of Intellect IX from a level 80+ scales down.
Scroll of Strength IX from a level 80+scales down.
During the battle some things you can use to help you out:
Swiftness Potions: Under level 20 mounts don’t exist so speed increases are game-changers.
Holy Protection Potion: Protection Paladins hit hard. Disc priests’ Penance can hurt too. Take the edge off.