Name:teach tactical knowledge
Relevant stat:wisdom
Syntax:tacticalknowledge <target>
type:enchantment skill
conditions:none
cost:depends on class of target
effect:+ hitroll
effect:+ damroll
effect:+ AC

You can explain some battle principles and strategies to other people. This will increase his (her) abilities a bit during the fight, but more importantly, it is necessary for them to be able to take part of other tactical maneuvers (such as tactical retreat, for example).