DISCLAIMER:  I don't own the pix that will be shown here.

(Y/N)'s Alt Weapon: Prominence (Exia Dark Matter color scheme)

Music#1:  Total Eclipse by Yoko Kanno (Dark Than Black Original Soundtrack)

https://youtu.be/hCABFcKfjhg

Music#2:  MAD NUG by Hiroyuki Sawano (Mobile Suit Gundam Unicorn Original Soundtrack) (P.S. I love this track)

https://youtu.be/2y1wCOxhn3A

Tegaru Nishida's Alt Weapon:  Twin Hook Swords

Music:  Six Times the Passion of Ordinary Flamenco by Yuuki Hayashi (Gundam Build Fighters Original Soundtrack)

https://youtu.be/mO7FDs_q_og

Hiroshi Hayashi's Alt Weapon: Hunter's Crossbow

Music:  Strengths Focus by Masaru Yokoyama (Mobile Suit Gundam Iron-Blooded Orphans Original Soundtrack)

https://youtu.be/vKsEp_RDMIQ

Aina Kazuki's Alt Weapon:  1 pair of Shock Batons (Each requires a Lightning Dust Crystal in each cartridge)

Music#1:  Fairy Dance by Yuuki Hayashi (Gundam Build Fighters Original Soundtrack)

https://youtu.be/0pR6uS0n2Sw

Music#2:  4-a by Hiroyuki Sawano (Owari No Seraph Original Soundtrack)

https://youtu.be/epEF5rdNPsI

Heather Sanchez's Alt Weapon#1:  "Bulgarov" Long-Range Sniper Rifle

Alt Weapon#2:  Bladed Machine Pistols (Pair)

Music:  The Signal to Counterattack by Yuuki Hayashi (Gundam Build Fighters Original Soundtrack)

https://youtu.be/1GzmLigbhP4