Sturdy: It cannot be knocked out with one hit. One-hit KO moves cannot knock it out, either.

PokémonTypesAbilitiesHPAtkDefSpASpDSpeBST
Onix RockGround 35 45 160 30 45 70 385
Steelix SteelGround 75 85 200 55 65 30 510
Bonsly Rock 50 80 95 10 45 10 290
Sudowoodo Rock 70 100 115 30 65 30 410
Shuckle BugRock 20 10 230 10 230 5 505
Roggenrola Rock 55 75 85 25 25 15 280
Boldore Rock 70 105 105 50 40 20 390
Gigalith Rock 85 135 130 60 80 25 515
Sawk Fighting 75 125 75 30 75 85 465
Dwebble BugRock 50 65 85 35 35 55 325
Crustle BugRock 70 105 125 65 75 45 485
Cosmoem Psychic 43 29 131 29 131 37 400
Bergmite Ice 55 69 85 32 35 28 304
Avalugg Ice 95 117 184 44 46 28 514
Togedemaru ElectricSteel 65 98 63 40 73 96 435