An option to refund characteristics and skills should be available that reclaims spent XP and decreases that appropriate skill or characteristic by 1 and prevents refunds below characteristic on species. For skills, preventing refund of skills below 0 + any bonus for species.
Perhaps adding the refund to the right click on a skill (or as a contextmenu) and as a contextmenu on the characteristic.
Perhaps an option to suppress refund of XP message in the XP log.
An option to refund characteristics and skills should be available that reclaims spent XP and decreases that appropriate skill or characteristic by 1 and prevents refunds below characteristic on species. For skills, preventing refund of skills below 0 + any bonus for species. Perhaps adding the refund to the right click on a skill (or as a contextmenu) and as a contextmenu on the characteristic. Perhaps an option to suppress refund of XP message in the XP log.