According to BianKO's mob pages, these mobs have Chitin, Chitin Shell, Crimson and Complete pieces in their drop list; the pages show no map or drop rate. Chitin and Crimson always drop from the same mobs, and so do Chitin Shell and Complete. Crimson and Complete are the robe sets (Robe, Pants, Helmet, Gloves, Boots), while Chitin has separate warrior, rogue and priest pieces.

  • Chitin / Crimson: always +3 from mobs; 37 records.
  • Chitin Shell / Complete: always +1 from mobs; 51 records.
  • Three records drop both: Karus Event Tower (9827), Troll (6915) and Kekurikekukaka (116), for 85 records in total.
  • Pathos Chitin and Chitin Bow aren't counted here.

Mobs that drop Chitin and Crimson (+3)

Chitin/Crimson (+3) group drop: level 70+ records
Mob (id)LevelHPMain drop
Talos (2407) 140 70,000 Blessed Reduce Scroll, Blessed Upgrade Scroll
Titan (2454) 130 80,210 Blessed Reduce Scroll, Gold Coin, Potion of Soul
Troll King (1727) 110 83,025 Blessed Upgrade Scroll
Giant Golem (2402, 2452) 110 14,000 Potion of Soul, Blessed scroll
Snake Queen (2006, 2007) 100 91,210 Blessed Upgrade Scroll, Potion of Soul
Snake Queen (2055) 100 72,968 Blessed Upgrade Scroll, Potion of Soul
Deruvish Founder (2107) 100 60,000 Blessed Upgrade Scroll, Blessed Enchant Scroll(MAGIC)
Stone Golem (2401, 2421, 6921) 100 11,000 Iron Bow(+1) or Blessed scroll
Troll Shaman (8054) 90 48,001 —
Samma (1317) 90 44,370 Gigantic Axe, Potion of Soul
Giant Golem (2422), Stone Golem (2451) 83 20,500 / 15,000 Iron Bow(+1)
Karus Event Tower (9827) 83 16,000 Weapon breaker(+1); also drops Chitin Shell/Complete
Troll Warrior (6918), Raven Harpy (6919) 80 45,828 / 27,496 Glave(+1) / Mirage Dagger(+1)
Shaula (916), Lesath (917) 75 34,485 Scorpion Shield / Chitin Bow
Apostle (2102, 9612), Troll (6915, 9617), Harpy (2251, 6928, 9618) 70 15,412–21,556 +1 weapon or Blessed Upgrade Scroll

Below level 70, Javana (1318), Bishop (1217), Barkira (620), Bach (1216), Lycaon (515), Duke (1215), Lupus (517), Lobo (516) and Kekurikekukaka (116) drop the same set.

Mobs that drop Chitin Shell and Complete (+1)

Chitin Shell/Complete (+1) group drop: level 70+ records (by HP)
Mob (id)LevelHPMain drop
Volcanic Rock (3891) 110 1,140,003 Silver Bar, Gold Bar
[Machine Golem] Crasher Gimmick (9504) 90 847,452 Warrior Pendant, Elemental Pendant
Ultima (6501) 83 847,452 Warrior Pendant, Scorpion Shield
Samma (6963) 90 208,740 Gigantic Axe, Potion of Soul
Aker (6964) / Aker (1401) 85 179,300 / 89,650 Warrior, Elemental, Priest Pendant
Shademare (3003, 3023) 165 115,535 Gold Coin
Samma (1319, 1356) 90 104,370 Gigantic Axe + Blessed scroll
Doom Soldier (8012) / (8007) 76 88,014 / 45,845 Potion of Soul
Balrog (7015) 83 84,258 Potion of Soul
Lesath (6955) / (920, 958) 75 83,830 / 64,485 Chitin Bow, Tail of Lesath
Falcon (2204, 2224) 100 66,460 Blessed Reduce Scroll, Feather of Harpy Queen
Dark Stone (2453) 112 64,124 Blessed Reduce Scroll, Potion of Soul
Troll Captain (1744, 1774), Orc Bandit Officer (2816) 100 55,384 Blessed Upgrade Scroll / Bracelet of orc bandit
Titan (2424) 83 51,258 Blessed Reduce, Blessed Upgrade Scroll
Troll Berserker (1743, 1773) 90 41,748 Blessed Upgrade Scroll, Potion of Soul
Crimson Wing (2203) 90 35,350 Blessed Reduce Scroll, Feather of Harpy Queen
Troll (6915), Apostle of Piercing Cold (8055) 70 21,556 / 20,001 Glave(+1) / Blessed Upgrade Scroll
Karus Event Tower (9827) 83 16,000 Weapon breaker(+1)

Below level 70, Half Troll Warrior (9072), Bishop (6961, 1214, 1257), Barkira (6954, 618, 658), Bone Collecter (6957, 1115, 1117, 1156), Duke (1255, 6959, 1212), Lycaon (6952, 518, 558), Lobo (6950, 513, 556) and Kekurikekukaka (116, 117) also drop Chitin Shell/Complete (+1).

Chitin and Crimson from exchange containers

Containers with Chitin, Crimson, Chitin Shell or Complete (rate shown per piece)
ContainerSet and +Rate shownWhere the container comes from
Black Treasure Chest Blue Chitin Shell Armor Exchange Voucher 13.333% No mob page drops it
Random Item Exchange Gem Chitin Shell/Complete (+1), Chitin/Crimson (+1), a few +4/+5 pieces 0.393%–0.492% / 0.328%–0.41% Pride (5801)
Golden Star / Red Bow / Tinsel Ornament All four sets, +1, +4 and +5 0.135%–0.405% Snowman (2702)
Abyss Gem Chitin (+1) and Crimson (+1) 0.25% Main drop of mobs like Manticore (1823), Centaur (2601), Flame Rock (3871), Blood Tail (1821)
Black / Green Gem Chitin/Crimson (+3) 0.06% Group drop of Devabird (8106), Pride (5801) and level 70 records
Blue / Red / Yellow / Silvery Gem Chitin Shell/Complete (+1) 0.057%–0.069% Blue/Yellow: same mobs; Silvery: Devabird main drop; nothing drops Red Gem
Fragment of Arrogance / Gluttony / Rage Chitin/Crimson (+3) 0.035%–0.036% Wrath (6001) group drop
Fragment of Avarice / Jealousy / Lechery / Sloth Chitin Shell/Complete (+3) 0.02%–0.035% Wrath (6001) group drop
Dark Fragment of Pride / Gluttony / Envy / Greed Chitin Shell/Complete (+5) 0.011% Pride/Gluttony: 7 Sins group drop
Dark Fragment of Wrath / Sloth / Lust Chitin Shell/Complete (+1) 0.002%–0.062% No mob page drops them

Outside Abyss Gem, the percentages in these containers don't add up to 100%, so read them as relative odds. Mobs never drop Chitin Shell above +1: the +3 pieces are in Fragment of Avarice, Jealousy, Lechery and Sloth, and the +5 pieces in Dark Fragment of Pride, Gluttony, Envy and Greed.

FAQ

What's the Chitin set drop rate?
The site doesn't list it. Mob pages only show the pieces in the group list, without a percentage.
What is the Blue Chitin Shell Armor Exchange Voucher?
It's the highest-rate entry shown in Black Treasure Chest. The site doesn't say which NPC exchanges it or which piece you get.
Which set drops for mages?
The robe sets are Crimson and Complete. Crimson drops with Chitin and Complete drops with Chitin Shell, from the same mobs.
Where does Volcanic Rock spawn?
The site doesn't list it. Its mob page shows level 110 and 1,140,003 HP, with no zone field.

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