[OFFICIAL] Monster drop rate list

Boss:
Drop - Rate


Rate Chart:
DROPPED RARELY(100)-------(0)DROPPED OFTEN

General Graardor:
Bandos Chestplate - 40
Bandos Tassets - 40
Godsword blade - 50
Bandos Hilt - 50
Staff of Armadyl - 50
Minecart ticket  - 40
Casket - 50

Kree'ara:
Armadyl Hilt - 50
Godsword Blade - 50
Staff of Armadyl - 50
Armadyl Godsword - 50
(Minions)
Armadyl Helmet - 30
Armadyl Chestplate - 30
Armadyl Plateskirt - 30

Captain Ziliana:
Casket - 50
Minecart Ticket - 40
Staff of Armadyl - 50
Godsword Blade - 50
Saradomin Godsword - 50

Zamorak Boss:
Zamorak Hilt - 50
Staff of Armadyl - 50
Casket - 50
Godsword blade - 50 
Minecart Ticket - 40
Zamorak Godsword - 50

Abyssal Demon:
Abyssal Whip - 17

Dust Devil:
Dragon Chainbody - 27

Dark Beast:
Dark Bow - 17
Dragon Arrows(5) - 14 

Kraken:
Coming Soon

Callisto:
Coming Soon

Giant Sea Snake:
Minecart Ticket - 50
Minecart Ticket - 65
Minecart Ticket - 80
Minecart Ticket - 90
Casket - 50

Nechryeal:
Dragon Boots - 15

Green Dragon:
Dragon Boots - 18
Abyssal Whip - 16

Elf Warrior:
New Crystal Bow - 18

Daggs:
Berserker Ring(i) - 50
Seers Ring(i) - 50
Archers Ring(i) - 50
Warrior Ring(i) - 50

Chaos Elemental:
Dragon Claws - 75

KBD:
Draconic visage - 23
Dragon boots - 18
Dragon Claws - 25

Sir Jerro:
Cape of Legends - 10
White Gloves - 16
White Boots - 20
Initiate Sallet - 38
Initiate Hauberk - 45
Initiate Cuisse - 42

Zombie:
Zombie Mask - 35
Zombie Trousers - 36
Zombie Shirt - 32
Zombie Gloves - 34
Zombie Boots - 33

Ghost:
Ghostly Boots - 45
Ghostly Robetop - 56
Ghostly Bottoms - 47
Ghostly Hood - 48
Ghostly Gloves - 44

Penguin:
Spirit Shield - 60
Blessed Spirit Shield - 66
Arcane Spirit Shield - 73 
Divine Spirit Shield - 84
Elysian Spirit Shield - 95
Spectral Spirit Shield - 106