Happy Hunting!
Dragonshard drops are rare—using Dragon Slayer Cannon or Dragonbane Charms increases your catch rate, but not the drop rate directly. Farming in Sunken City with O2 canisters or Floating Islands during Dragon-heavy runs is the most efficient strategy. dragonshard mousehunt
If you are just entering the Draconic Depths, save your Shards for the Dragon Slayer Cannon before spending them on consumable charms. The permanent power boost from the trap is more cost-effective. Use Draconic Fuel: Happy Hunting