Original sentence: Casting spells in Magic World is a skill, and Sorcerers must succeed with  their skill roll in order to cast it.Character abilities are based on individual skills and percentages, and initial characters can start as one of 4 professions or character classes
Edited sentence: Character abilities are still based on individual skills and percentages, and not levels, but unlike the classless Basic Role-Playing or RuneQuest, initial characters can start as one of 4 D&D style professions or character classes.Unlike either Dungeons & Dragons or RuneQuest of the time, casting each spell was a skill, and Sorcerers had to make their skill roll with a spell to cast it successfully