The best passives for Killamari Primo depend on the job you give it. Killamari Primo is Paldeck #30, a Neutral / Water Pal with Transporting 2, Watering 1, Gathering 1 — the sets below are the community-consensus best-in-slot for each role it can fill.

LegendDemon GodMuscleheadCelestial Emperor
Legend, Demon God and Musclehead stack raw attack; Celestial Emperor adds 20% Neutral damage on top.
ArtisanSeriousLuckyWork Slave
Maximum work speed. Work Slave trades attack a base worker never uses; swap for Nocturnal on day-sleepers if sanity drops.
SwiftRunnerNimbleLegend
Every movement-speed passive stacks; Legend adds 15% more plus combat stats.
A perfect Killamari Primo also wants 100/100/100 IVs (breeding averages the parents with a bonus, so high-IV Killamari Primo parents compound) and 4-star condensation — feeding it spare copies raises this Neutral / Water Pal's stats and every work suitability a full level. Craft-speed and attack souls from the Statue of Power stack on top. The planner routes these passives from pals you own; see how to breed Killamari Primo for parent combos.
Breed this Killamari Primo build from your save →