If I had to guess it would count as 1 or 1 1/2 a power as arcane dabbling is basically magic item use as a mage for a single proficiency. Another option is to create items only usable by psionic characters.
If I had to guess it would count as 1 or 1 1/2 a power as arcane dabbling is basically magic item use as a mage for a single proficiency. Another option is to create items only usable by psionic characters.