Anime
"There is a pattern in every kind of skill. [Attack-type] starts with connecting the first three Primary Mana Points. [Defense-Type] starts with connecting the first three Secondary Mana Points and the first Primary Mana Point. [Stealth-Type] starts with connecting the bottom five Auxiliary Mana Points and two mid Secondary Points. [Evasive-Type] starts with…"
Only the pattern to begin the skills have been given. As for customizing a skill, Rewen needs to do that on his own.
"How should I create a skill? I don't know very little about <Sequences >?" Rewen turned around and asked Yeri who was still playing cards.
"Like I said, you need to have a <Purpose >. As for the <Sequence >, it will automatically occur to you depending on the <Purpose >. Remember, don't make the <Sequence > too long though. It might do temporary damage to your system."
"System?"
"Have you not learned about the Mana System? You'll learn it soon."