Berserk

Boosts its Sp. Atk stat when it takes a hit that causes its HP to become half or less.

Level-Up

The following Pokémon can equip this ability after reaching a certain level.
# Pokémon Type Level
16 Murkrow
100
132 Carvanha
10
133 Sharpedo
10
138 Torchic 100
??? Deino
40
??? Zweilous
40
??? Hydreigon
40

Natural Ability

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

Hidden Ability

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

Tutored Ability

The following Pokémon can be taught this ability.
# Pokémon Type
445 Kipvine
446 Plaguar
447 Photoguar
9 Houndour
10 Houndoom
176 Malduck
179 Goodra
5 Mafichu
202 Blitzrdrix
378 Cubone
379 Marowak
380 Marowail
419 Gropp
420 Cyclobber
16 Murkrow
17 Honchkrow
403 Pawniard
404 Bisharp
405 Kingambit
418 Sableye
270 Jynx
272 Frostidon
280 Glacriek
278 Ameoberg
409 Sarphon
410 Aerophagus
287 Minitaur
288 Maxhitaur
340 Tauros
91 Jigglyruff
92 Zigglygruf
312 Bagon
313 Shelgon
314 Salamence
369 Tyrunt
370 Tyrantrum
358 Gomm
359 Mountegrom
82 Stufful
83 Bewear
166 Joltik
167 Galvantula
49 Remoraid
50 Octillery
219 Gible
220 Gabite
221 Garchomp
412 Ovarapt
413 Velokota
414 Utabazai
37 Seadra
38 Kingdra
435 Impidimp
436 Morgrem
437 Grimmsnarl
352 Krokorok
353 Krookodile
300 Snorlax
98 Cloyster
334 Trapinch
335 Vibrava
336 Flygon
132 Carvanha
133 Sharpedo
197 Rhyhorn
198 Rhydon
199 Rhyperior
222 Larvitar
223 Pupitar
224 Tyranitar
135 Kroaea
136 Kroaeakaoa
23 Herdier
24 Stoutland
442 Toxel
443 Toxtricity
138 Torchic
139 Combusken
140 Blaziken
146 Golisopod
68 Binacle
69 Barbaracle
40 Kingler
121 Elekid
122 Electabuzz
123 Electivire
349 Silicobra
350 Sandaconda
119 Trubbish
120 Garbodor
258 Beedrill
20 Crabrawler
21 Crabominable
172 Noibat
173 Noivern
341 Pinsir
??? Chrysal
??? Vellavale
??? Vellidaxos
??? Deino
??? Zweilous
??? Hydreigon
??? Ghoulslash
??? Venoph
??? Gaiac
??? Nepteis