Skill 10 & Memory 32

Skill 10: Advanced mathematics
...What it says. He's able to calculate the Shinkiro's shields, albeit imperfectly, so his mathematical skills are presumably quite good.
Earned day 153
Form: Interlocking wood
Taken: Yes

Memory 32: Killing Shirley impulsively.
Writeup coming soon
Earned day 155
Form: Teacup
Shareable: Yes (x3)
Shared with: N/A
Taken: Yes