Skills can be used by commanders in battle to gain an edge over foes. Some Skills boost stats, some lower stats, some heal, some are designed to do extra damage, or damage multiple foes. It can turn the tide of battle in the user's favor.
Skills are available to use after a set number of turns have passed and are reset after they are used. If not, their counters remain at 0. It resets per map on the Story, but it saves after every PVP match. Good management is required to make the most out of these skills.
There are some skills which goes first, which are called Quickstrike Skills.