A Group version of Heart of the Lion (HoH:S, page 37) would be CrMe 25. Probably not what you meant by a "cheap" way for grogs to boost their Personality Traits, but a lesser enchanted device is probably manageable.
A Group version of Heart of the Lion (HoH:S, page 37) would be CrMe 25. Probably not what you meant by a "cheap" way for grogs to boost their Personality Traits, but a lesser enchanted device is probably manageable.