In the realms of magic there are hundreds of possibilities that often seem only limited by the imagination of the GM and players. While my current system is flexible — to increase that flexibility I have to actually introduce a codified system of impromptu magic.

Impromptu magic will be only available to spell casters that have shown the highest level of knowledge, skill, and talent in the pursuit of their craft. Their complete understanding of their own spells will actually allow them to make minor changes in their spells when necessary. Unlike actually researching a new spell and paying the points, in impromptu magic the magician is taking a big risk to gain a small advantage. In fact, the larger the change the more exponentially difficult the spell becomes.

Under this system a magician can add or remove advantages — they can also remove any non-core limitations. The actual special effect of the spell cannot be changed, so a spell that summons forth a spear to impale a magician's enemies get area effect added will just summon forth enough spears to strike all of the targets in the area it cannot be changed to bring forth a jet of water.

This does not compete or invalidate the purchase of Variable Advantage or Variable as the END and skill cost for an impromptu spell is greatly for reduced. This owing to the fact that the magician has put more research into the spell, while impromptu is meant to simply increase a skilled magician's flexibility. Rules

• Players uses Spell Research skill in place of traditional magic skill.
• +50% skill difficulty for every ¼ modifier gained or lost.
• +50% increase in END for every ¼ modifier gained or lost.
• Cannot use EGO to modify the spell failure disaster roll.