Guts

It's so gutsy that having a status condition boosts the Pokémon's Attack stat.

Level-Up

The following Pokémon can equip this ability after reaching a certain level.

#	Pokémon		Type	Level
155		Burowurm		54
156		Burosphyrn		54
45		Poliwrath		100
419		Gropp		70
420		Cyclobber		70
102		Seel		90
103		Dewgong		90
26		Flareon		54
91		Jigglyruff		1
92		Zigglygruf		1
222		Larvitar		1
186		Rufflet		90
187		Braviary		90
245		Heracross		1
110		Timburr		1
111		Gurdurr		1
112		Conkeldurr		1
425		Nemelt		10
426		Varaflare		10
427		Komodor		10
356		Cacnea		100
357		Cacturne		100
344		Qwilfish		16
345		Overqwil		16
???		Deino		85
???		Zweilous		85
???		Hydreigon		85

Natural Ability

The following Pokémon can have this ability when you find them in the wild.

#	Pokémon		Type
91		Jigglyruff
92		Zigglygruf
222		Larvitar
245		Heracross
110		Timburr
111		Gurdurr
112		Conkeldurr

Hidden Ability

The following Pokémon can have this ability as their hidden ability.

#	Pokémon		Type
26		Flareon

Tutored Ability

The following Pokémon can be taught this ability.

#	Pokémon		Type
162		Diglett
163		Dugtrio
158		Drilthug
159		Excabrute
155		Burowurm
156		Burosphyrn
157		Aerowyrm
45		Poliwrath
268		Beartic
419		Gropp
420		Cyclobber
102		Seel
103		Dewgong
26		Flareon
30		Umbreon
340		Tauros
91		Jigglyruff
92		Zigglygruf
416		Mienfoo
417		Mienshao
222		Larvitar
223		Pupitar
224		Tyranitar
186		Rufflet
187		Braviary
245		Heracross
110		Timburr
111		Gurdurr
112		Conkeldurr
137		Miltank
425		Nemelt
426		Varaflare
427		Komodor
20		Crabrawler
21		Crabominable
356		Cacnea
357		Cacturne
411		Kangaskhan
344		Qwilfish
345		Overqwil
372		Ellipseal
373		Selatinous
374		Ezmergent
341		Pinsir
360		Glimmet
361		Glimmora
375		Axeldown
???		Deino
???		Zweilous
???		Hydreigon
???		Gaiac