How to maximize your Spell Penetration (SP)
How to calculate SP?
- SP for loaded spells = Caster Level + Feat (Stackable) + Enhancement + Item SP that matches the Spell Level + 1d20
- SP for scroll: same as above but the caster level of the scroll is used. e.g. the Wave of Exhaustion scrolls is caster level 13
- SP is not relevant to your DC or Spell Level. So heighten does not help in spell penetration.
The arraetrikos tab shows the percentage of spell penetration under different Spell Penetration stats against Arraetrikos in the Shroud and Sulo in the Vision of Destruction (VoD)