Don't worry, i have just made a list of every boss/mini boss drops that are used in quest items (in the Quest Master NPC) and you maybe shoudn't sell if the quest item it's from you interest, the rest that isn't listed here, you can sell safely (or do whatever you want with it)
*I WILL NOT SPECIFY THE QUANTITY REQUIRED, ONLY THE ITEM*
(Item ID) Item name
Upper Headgears
- Gigantic Majestic Goat (both)
(4147) Baphomet Card
- Sorin Doll Hat [1]
(751) Osiris Doll (MVP Drop*)
- I Love China
(751) Osiris Doll (from Sorin Doll Hat [1])
(4374) Vesper Card
- Victorious Coronet
(2258) Spiky Band
- Bright Fury [1]
(5007) Grand Circlet
- Jasper Crest [1]
(2234) Tiara
- Anubis Helm
(4425) Atroce Card
- Balloon Hat [1] also known as Tam [1]
(2677) Spiritual Ring
- Parade Hat [1]
(2677) Spiritual Ring (from Tam [1])
(7513) Pocket Watch
- Shining Eletric Bulb Hairband [1]
(5162) Bone Helm
- Pitch Black Ribbon [1]
(2250) Cute Ribbon
- Purple Cowboy Hat [1]
(2248) Western Grace
- White Musang Hat [1]
(2248) Western Grace (from Purple Cowboy Hat [1])
- Dragon Helm
(5127) Morrigane's Helm
(7443) Three-Headed Dragon's Head
- Helm of Abyss [1]
(4425) Atroce Card
- Valkyrie Feather Band [1]
(7510) Valhalla's Flower
- Sunglasses [1]
(4198) Maya Purple Card
- Elven Ears [1]
(4198) Maya Purple Card
- Robo Eye
(5104) Dark Blinder (MVP Drop*)
- Gentleman's Pipe
(2268) Pipe
- Crown of Deceit [1]
(7754) Broken Crown
- Mask of Ifrit
(5002) Jewel Crown
- Mjolnir
(4137) Drake Card
(4121) Phreeoni Card
(4361) MasterSmith Card
- Brynhild
(4372) White Lady Card
(4134) Dracula Card
(4305) Turtle General Card
(4342) RSX-0806 Card
- Sleipnir
(4131) Moonlight Flower Card
(2423) Variant Shoes
(4169) Dark Illusion Card
- Asprika
(4174) Devilling Card
(4054) Angeling Card
(2554) Nydhorgg's Shadow Garb (yes, it's written this way in the database and in the requirements list)
(4363) High Priest Card
- Megingjord/Megingjard (it's written "jord" in the item list, and "jard" in the requirements list)
(4305) Turtle General Card
(4263) Samurai Spector Card
- Brisingamen
(4144) Osiris Card
(4148) Pharaoh Card
(4367) Sniper Card
- Water Spirit Armor [1]
(2346) Saphien's Armor of Ocean**
- Wind Spirit Armor [1]
(2348) Aebecee's Raging Typhoon Armor**
- Earth Spirit Armor [1]
(2350) Claytos Cracking Earth Armor**
- Twin Edge of Naght Sieger [3] (R)
(1133) Fireblend
(4236) Amon Ra Card
(4131) Moonlight Flower Card
(4144) Osiris Card
- Twin Edge of Naght Sieger [3] (B)
(1131) Ice Falchion
(4137) Drake Card
(4372) White Lady Card
- Violet Fear [2] (basically it needs the 2 previows items, so i'll list both requirements)
(1133) Fireblend
(4236) Amon Ra Card
(4131) Moonlight Flower Card
(4144) Osiris Card
(1131) Ice Falchion
(4137) Drake Card
(4372) White Lady Card
- Valkyrie Shield Cursed Mad Bunny
(2115) Valkyrja's Shield (again, it's written like this in the database and in the requirements list)
- M I T H R I L C O I N
**: These are all Pori Pori drops, he can be summoned at the Private MVP Room
Now i'll list wich MVP's/Mini Bosses that drop these items, so you'll be aware of wich one of them have drops that can be quest related
MVP
Amon Ra
Atroce
Bacsojin/White Lady
Baphomet
Beelzebub
Dark Lord
Detale/Detardeurus
Doppelganger
Dracula
Drake
Eddga
Fallen Bishop/Fallen Bishop Hibram
Garm
Gopinich
High Priest Magaleta/High Priest Margaretha
Ifrit
Kiel D-01
Knight of Windstorm/Stormy Knight
Maya
Moonlight Flower
Nidhoggr's Shadow
Orc Lord
Osiris
Pharaoh
Phreeoni
Pori Pori/Bring it on!
Sniper Shecil/Sniper Cecil
RSX-0806
Turtle General
Valkyrie Randgris
Vesper
Whitesmith Harword/Whitesmith Howard
Mini Boss
Angeling
Devilling
Dark Illusion
Eclipse
Hydro/Hydrolancer
Maya Purple
Vagabond Wolf
Valkyrie
Also, Treasure Chest
That's all, if you see anything wrong or whatever, feel free to comment
