Replaces: Magical Tinkering
Encephalon: This expert-system microcomputer supplies additional brain power. After a short- or long rest, you can select to either gain expertise with any skill (even if you do not posses proficiency in that skill), or you can gain advantage on two skills you already posses (with or without expertise).
Math Sub-Processing Unit: This specialized computer enables the user to perform extensive mathematic calculations passively. Also functions as a stopwatch, alarm clock, and extremely accurate chronometer.