Some weapon have missing drop/exchange from mob/NPC exchange

[e900003]

IGN: 1200525252
Job: Xenon
Job Level: Paragon 61
Description of Bug (Explain the bug, How is it done, what should it really be doing? etc. An unclear description will not get the bug fixed):
Some weapon have missing drop/exchange from boss in here:
Missing Drops from some mob/boss:
- Dragon Kitty Soul Scepter (Normal Cygnus)
- Dragon Psy-limiter (Normal Cygnus)
- Dragon Chain (Normal Cygnus)
- Zakum's Poisonic Chain (Normal/Chaos Zakum)
- Necromancer Chain (Normal Hilla)
- All Jaihin weapon set (Easy Arkarium)
- All Muspell armor set (Easy Arkarium)
- Royal Von Leon Stick (Hard VonLeon)
- Royal Von Leon Ymir (Hard VonLeon)
- Loveless Great Sword of Creation (Chaos Pink Bean)
- Loveless Fan of Altruism (Chaos Pink Bean)
- Loveless Kitty Pride (Chaos Pink Bean)
- Utgard Chain (Normal Arkarium)
- Sengoku Era Psy-limiter (Madman Ranmaru)
- Amaterasu Bladecaster (Madman Ranmaru)

Missing exchange from NPC:
- Onyx Maple Scepter
- Onyx Maple Psy-limiter
- Onyx Maple Arm Cannon
- Onyx Maple Chain
- Onyx Maple Lucent Gauntlet
- Black Ancient Bow

Screenshot (If Applicable):

 

[babykip5]

I also suggested some weapons like your topic a few months ago:
https://elluel.net/index.php?threads/adding-some-weapons-of-new-class-to-npc-belle.8393/