- Purchase an "MHMU Treatise on Agronomy" and an "MHMU Treatise on Minerals" from Zenicca with bayld or from a Skipper Moogle with gil, then talk to your Green Thumb Moogle.
- Obtain a Drill Calamary from the Coastal Fishing Net.
- This item can be obtained from a rank 7 net with no bait or assistant.
- It is also sometimes available through Login Campaign and is a possible item from Gobbie Mystery Box.
- Obtain a Philosopher's Stone from a rank 7 Mineral Vein #4 or by other means.
- This item can be obtained from a rank 7 vein with no bait or assistant (vein #4 only).
- Obtain a Calico Comet from the Pond Dredger or from the Auction House.
- Trade your Green Thumb Moogle the Drill Calamary, Calico Comet, and Philosopher's Stone for a cutscene and reward.