ACEDIT

The acedit command is used to edit aura categories on the mud. Aura Categories must be prototyped to be edited -- see ACPROTO. The aura category name option is a aura category name and options are one of the following:

name <name>          Changes the name of the aura category.
flags <flags>        Turns flags for this aura category on/off.
                     See AURA-CATEGORY-FLAGS.
stackingrule <rule>  Specifies the stacking rule for this aura.  See
                     STACKING-RULE.
stackinglimit <lim>  Specifies the stacking limit for this aura.
addaura <aura>       Adds an aura to this aura category.
remaura <aura>       Removes an aura from this category.

For example:

acedit damage-shields stackingrule overwrite