Sentinel Breastplate

Dropped by 4

• Prince Nazjak level 41 0.6% 2779
• Twilight Idolater level 51 0% 8419
• Black Broodling level 52 0% 7047
• Voidwalker Minion level 47 0% 8996

Dropped by, from a shared table 40+

• Bloodsail Elder Magus level 45 1653
• Bloodsail Sea Dog level 45 1565
• Bright Crawler level 53 91831
• Chief Maulfist level 47 61247
• Dark Iron Sentry level 48 8504
• Dark Iron Steelshifter level 45 8337
• Dark Iron Taskmaster level 48 5846
• Deadmire level 45 4841
• Earthen Custodian level 45 7309
• Earthen Guardian level 45 7076
• Earthen Hallshaper level 45 7077
• Fire Roc level 45 5429
• Fleet Master Firallon level 48 2546
• Giant Surf Glider level 50 5432
• Greater Vilewing Bat level 45 61401
• Gusting Vortex level 45 8667
• Island Pincer level 50 91832
• Marat Grimtotem level 45 61598
• Murk Worm level 48 5226
• Rock Crawler level 51 91833
• Saltsnap Crocolisk level 51 91962
• Sandfury Cretin level 45 7789
• Sandfury Executioner level 46 7274
• Sandfury Ritualist level 46 62500
• Sandfury Shadowhunter level 46 7246
• Shore Strider level 49 5359
• Silver Coast Crawler level 52 92147
• Slave Worker level 47 5843
• Snarlclaw level 47 61405
• Southsea Freebooter level 45 7856
• Southsea Swashbuckler level 45 7858
• Sprite Darter level 45 5278
• Strand Crawler level 49 92146
• Tempered War Golem level 47 5853
• Treasure Hunting Buccaneer level 45 7902
• Treasure Hunting Pirate level 45 7899
• Vilebranch Witch Doctor level 47 2640
• Vilebranch Wolf Pup level 47 2680
• Wallowfin Murloc level 52 91857
• Witherbark Felhunter level 46 7767

Only the first 40 are listed.

Found in 4

• Solid Chest 0.3% 4149
• Alliance Chest 0.3% 105581
• Solid Chest 0.3% 2857
• Solid Chest 0.3% 153451

Contained in 5

• Ahn'Qiraj War Effort Supplies level 1 1.6% 21511
• Outrider War Package level 1 1.1% 50177
• Sentinel War Package level 1 1.1% 50176
• Strong Iron Lockbox level 2 0.6% 4636
• Hoard of the Black Dragonflight level 1 0.5% 10569