"Junk Synchron" + 1 or more non-Tuner monsters
If this card is Synchro Summoned: It gains ATK equal to the total ATK of all Level 2 or lower monsters you currently control.
"Junk Synchron" + 1+ non-Tuner monsters
If this card is Synchro Summoned: You can Special Summon as many Level 2 or lower monsters as possible from your GY, but neither player can activate those monsters' effects this turn, also you can only Special Summon one more time this turn. When this card destroys an opponent's monster by battle: You can banish this card; Special Summon 1 "Junk" Synchro Monster from your Extra Deck (this is treated as a Synchro Summon). You can only use each effect of "Junk Warrior Extreme" once per turn.
Cannot be Normal Summoned/Set. Must be Special Summoned with "Assault Mode Activate". Gains 1000 ATK for each "/Assault Mode" monster you control, also if this card battles a monster, any battle damage it inflicts to your opponent is doubled. Unaffected by your opponent's activated monster effects. If this card is destroyed: You can target 1 "Junk Warrior" in your GY; return it to the Extra Deck, then you can Special Summon it (this is treated as a Synchro Summon).