These are simple strategies to defeat Watcher for the Family Fighter achievement. Note that you can fight all these pets regardless of whether their world quest is up or not, so you can grind out the whole achievement in one day if you really want to. These strategies assume all of your pets are level 25 and of Rare quality.
Pet Battle Main Page
Other Family Fighter Guides:
Corrupted Blood of Argus
Other Pet Battle Posts:
Tiny Terrors in Tanaan Guide
Beasts of Fable Guide
Wailing Caverns Pet Battle Dungeon Guide
Deadmines Pet Battle Challenge Guide
My Favorite Pets for Battling
Anubisath Idol (1, 1, 1)
Squirky (1, 2, 2)
Flayer Youngling (2, 2, 2)
Deflection. Crush. Crush. Sandstorm. Deflection. Crush until Antaen Cannon comes back up. Deflection. Sandstorm. Crush twice. Deflection. Crush until Sandstorm is back up. Sandstorm. Deflection when Antaen Cannon comes off cooldown. Spam Crush.
Soul of the Aspects (2, 2, x)
Emerald Proto-Whelp (1, 1, 1)
Crimson Whelpling (1, 1, 1)
Breath three times. Deflection. Breath until Soul dies. Bring in Proto-Whelp. Breath. Proto-Strike. Ancient Blessing. Breath.
Skywisp Moth (x, x, 2)
Ikky (x, 1, 1)
Nether Ray Fry (x, 1, x)
Call Lightning. Bring in Ikky. Black Claw. Flock.
Infected Squirrel (2, x, 2)
Blighted Squirrel (2, x, 2)
Scourged Whelpling (2, x, x)
Corpse Explosion. Stampede. Bring in Blighted. Woodchipper. Stampede.
Egbert (1, x, 2)
Lava Beetle (1, x, 1)
Dust Bunny (x, x, 2)
Feign Death. Scorched Earth. Spam Burn. Bring in Bunny. Stampede. Bite.
Hungering Claw (2, 1, 2)
Sanctum Cub (2, 2, 1)
Empowered Manafiend (x, 2, x)
Shadow Shock twice. Call Darkness. Foreboding Curse. Shadow Shock. Bring in Cub. Leap. Rend. Leap. Dodge. Leap. Rend until Cub dies. Surge of Power.
Jadefire Spirit (1, x, 2)
Ominous Flame (2, 2, 2)
Fel Flame (2, x, 1)
Fade. Scorched Earth. Foreboding Curse. Spiritfire Bolt three times. Bring in Fel. Flame Breath. Conflagrate.
Scalded Basilisk Hatchling (1, 2, x)
Zandalari Kneebiter (2, 2, x)
Zandalari Anklerender (2, x, 2)
Feign Death. Black Claw.
Hunting Party. Black Claw. Pass. Bring out second Zandalari. Hunting Party.
Young Mutant Warturtle (2, 2, 2)
Gulp Froglet (x, x, 1)
Spawn of G’nathus (2, x, 1)
Smoke Bomb. Tornado Punch. Spam Jab until Warturtle dies. Bring in Froglet. Swarm. Thunderbolt. Jolt until Watcher dies.
Lil’ Bling (2, x, 1)
Mechanical Pandaren Dragonling (1, x, x)
Darkmoon Tonk (x, x, 2)
Make It Rain. Inflation. Bring in Dragonling. Breath three times. Ion Cannon.