Striker

Disc 1 bosses Heavy Tank - Grilgan - Bogimoray - Mud Puppet - Obsidian Miasma

Disc 2 bosses Magic Heavy Tank - Body of Thought - Rough Queen - Mantalas - Gongora

Disc 3 bosses Dinozaoro - Striker / Landwalker / Armored Train - Living Ice - Magic Beast A - Ice Magic Beast

Disc 4 bosses Ancient Fiend - Arthrosaurus - Kakanas Heavy Tank - Magic Beast B - Nefarious Saints - General - Luminous Magic Beast - Gongora

Optional bosses Elmon Leader - Don Laploss - Trooky Queen - Money-Money - Blue Dragon - Cave Worm - Golden Knight - Holy Beast - King Kelolon - Legendary Spirit Sorcerer Fu - Persona - Killalon

Lost Odyssey Enemy Boss
Striker
HP Element Type SP Gold 515 None Mechanical 0 0
Dropped Stolen Location None None Aurora Bound Train
Susceptible To:	Immune to All Status Effects
Weak Against:	Machine Killer Rings
Abilities
Sleep-Shot	Puts target to sleep

Boss Strategy

Strikers are just the lackeys of the Landwalkers that you fight on the roof of the Magic Trains. One Winda spell should drop them. Basically, they serve as nothing more than giving you a few more targets so the battle isn't too simple.

Information from German Dragon's FAQ/Walkthrough