Focused practitioners are the minor-league of the spell-slinging set. They have one rather narrowly defined aptitude at spellcraft which they practice to the exclusion of all else—usually because they just don’t “get” things outside their focus. Sometimes this is due to the probationer having an intuitive understanding of what they do rather than a trained understanding; sometimes it’s simply the result of a mystical blind spot. Depending on the causes of the focus, some focused practitioners might be able to train into broader spellcasting capabilities, but few do… (YS 76)
Examples : Mortimer Lindquist, Pyromancers, Ectomancers, etc.
High Concept must name or imply spell-casting abilities or focus (e.g., Haunted Ectomancer or Kinetomancer for Hire)
One or both of:
Channeling [-2] (with appropriate focus named)
Ritual [-2] (with appropriate focus named)
See YS 257 for details on spellcasting
May take Sight [-1], but if they do, its use will be colored, narrowed, and limited by the focus of their abilities
Wizards and sorcerers tend to have the full boat of true magic. Practitioners hone in on one particular application and thus will often end up with one or both of Channeling and Ritual instead. It’s a cost break and results in much narrower spellcraft, but they can still be quite the contenders.
Powers are often similar regardless of the type of caster—the configuration of them is where the variety comes in. Your main focus will be on configuring these powers to give your caster his specific identity. Along with the powers comes the opportunity to choose various specializations and to create items and rotes (evocations that spellcasters can perform via “muscle memory” that allow a certain effect and effort without rolling the dice).