Combine the following items to get a more powerful weapon:
Zeta Cannon: Cannon, HiCannon, M-Cannon: 120 damage, Invis3
Zeta Ratton: Ratton1, Ratton2, Ratton3: 90 damage, Invis3
Giga Burst: Spreader, Bubbler, HeatShot: 300 damage
Stream Arrow: DoubNdl, TripNdl, QuadNdl: 100 damage
Greatest Bomb: LilBomb, CrosBomb, BigBomb: 200 damage
Dream Sword 1: Sword, WideSwrd, LongSwrd: 200 damage
Dream Sword 2: FireSwrd, AquaSwrd, ElecSwrd: 300 damage
Dream Sword 3: FireBlde, AquaBlde, ElecBlde: 400 damage
Machine Punch: GutPunch, ColdPnch, DashAtk: 100 damage
Star Shower: SoniSlsh, GravHold, StarArro: 80 damage
Big Heart: Repair, Recov300, Roll: 200 damage, Full recovery
Guts Shoot: MetGuard, DashAtk, GutsMan: 300 damage
Double Hero: CustSwrd, VarSwrd, ProtoMan: 70 damage
Zero Counter: HiGuard, ZetSaber, Zero: 300 damage