Ninja Gaiden Black - Armlet of Fortune in Very Hard Mode

Armlet of Potency:
You must bring Muramasa 5 scarabs.

Dark Dragon Blade in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 50 Golden Scarabs.

Items
Give the following amount of Scarabs to Muramasa at the shop on the indicated difficulty setting to get the corresponding item:

Ninja Dog mode
1 Scarab: Life Of The Gods
5 Scarabs: Armlet Of Potency
10 Scarabs: Life Of A Thousand Gods
15 Scarabs: Spirit Of The Devils
20 Scarabs: Dabilahro
25 Scarabs: Armlet Of Celerity
30 Scarabs: Armlet Of Benediction
35 Scarabs: Great Sprit Elixer
40 Scarabs: Armlet Of Fortune
45 Scarabs: Jewel of The Demon Seal
50 Scarabs: Arcade Ninja Gaiden

Normal mode
5 Scarabs: Armlet Of Potency
10 Scarabs: Life Of A Thousand Gods
15 Scarabs: Windmill Shuriken
20 Scarabs: Wooden Sword
25 Scarabs: Dabilahro
30 Scarabs: Armlet Of Benediction
35 Scarabs: Armlet Of Celerity
40 Scarabs: Armlet Of Fortune
45 Scarabs: Plasma Saber Mk. II
50 Scarabs: NES Ninja Gaiden

Hard mode
1 Scarab: Counter Attacks Technique Scroll
5 Scarabs: Izuna Drop Technique Scroll
10 Scarabs: Guillotine Throw Technique Scroll
15 Scarabs: Windmill Shuriken
20 Scarabs: Wooden Sword
25 Scarabs: Dabilahro
30 Scarabs: Armlet of Celerity
35 Scarabs: Spear Gun
49 Scarabs: Plasma Saber Mk. II
50 Scarabs: Dark Dragon Blade

Very Hard mode
1 Scarab: The Art Of The Inferno
5 Scarabs: Spirit Of The Devils
10 Scarabs: The Art Of The Ice Storm
15 Scarabs: Jewel Of The Demon Seal
20 Scarabs: Spirit Of The Devils
25 Scarabs: Jewel Of The Demon Seal
30 Scarabs: Armlet Of Fortune
35 Scarabs: Jewel Of The Demon Seal
40 Scarabs: The Art Of The Inazuma
45 Scarabs: Spirit Of The Devils
49 Scarabs: Plasma Saber Mk. II
50 Scarabs: Dark Dragon Blade

Master Ninja mode
1 Scarab: Smoke Bomb
5 Scarabs: Elixer Of Spiritual Life
10 Scarabs: Great Spirit Elixer
15 Scarabs: Elixer Of The Devil Way
20 Scarabs: Great Devil Elixer
25 Scarabs: Smoke Bomb
30 Scarabs: Ayane's Rations
35 Scarabs: Fragrance Of Dayflower
40 Scarabs: Ayane's Ration Bundle
45 Scarabs: Fragrance Of Hydrangea
49 Scarabs: Plasma Saber Mk. II
50 Scarabs: Dark Dragon Blade

Jewel of the Demon Seal in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 25 Golden Scarabs.

Jewel of the Demon Seal in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 15 Golden Scarabs.

Jewel of the Demon Seal in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 35 Golden Scarabs.

Jewel of the Spirit Smith:
When playing the 5th phase of the path of the Master Ninja in Mission mode, the one where you fight Murai, walk to the left end corner of the dojo and smash the vase. In the aura there will be a Jewel of the Spirit Smith, which you can use to upgrade one of your weapons.

Note: It is recommended to upgrade the Dragon Sword, as this is the strongest weapon available.

Live of Thousand Gods:
You must bring Muramasa 10 scarabs.

Plasma Saber Mk.II in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 49 Golden Scarabs.

Play Ninja Gaiden:
Collect all 50 Scarabs and turn them in to the shop to receive the Ninja Gaiden cartridge. Take this to Han's Bar and play it on the arcade cabinet.

Spirit of the Devils in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 45 Golden Scarabs.

Spirit of the Devils in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 20 Golden Scarabs.

Spirit of the Devils in Very Hard Mode:
In Very Hard Mode, talk to Muramasa at his shop and give him 5 Golden Scarabs.

The Art of the Ice Storm:
In Very Hard Mode, talk to Muramasa at his shop and give him 10 Golden Scarabs.

The Art of the Inazuma:
In Very Hard Mode, talk to Muramasa at his shop and give him 40 Golden Scarabs.

The Art of the Inferno:
In Very Hard Mode, talk to Muramasa at his shop and give him 1 Golden Scarab.

Unlock Arcade Ninja Gaiden:
Complete the game on Ninja Dog or Normal difficulty with the "Ninja Gaiden Arcade" item. Or, complete the game on Hard.

Unlock Coming Attractions:
Play the game for over 1 hour.

Unlock Costumes:
Comic: Complete the game on Ninja Dog or Normal
Normal: Available at the Beginning
Red Muffler: Complete the game on Hard
DOA: Complete "Special Mission."
Ryuken: Complete the game on Very Hard

Unlock Hard:
Complete the game on Ninja Dog or Normal difficulty. Or, have a save file on your hard drive where you completed the original Ninja Gaiden on Xbox.

Unlock Master Ninja:
Complete the game on Very Hard.

Unlock Mission:
Complete the game with the difficulty level over Normal.

Unlock Movie Theater:
Complete the game with any difficulty level.

Unlock New Missions:
The first 10 Missions will be available from the start. Once you complete the first 5, and then 5 more will be unlocked. The rest follow in this pattern five at a time until all 50 have been unlocked.

Unlock Ninja Dog:
Die three times consecutively in Chapter 1. Ayane will ask you, "Do you really give up the way of Shinobi?" Answer yes to begin Ninja Dog Mode.

Unlock Normal:
Available from the beginning.

Unlock Very Hard:
Complete the game on Hard difficulty. Or, have a save file with the clear data of the Hurricane Pack 2.