Battle Plug

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Artwork of Battle Plugs

Battle Plugs, also referred to as simply plugs, are powerful combat accessories used by the Mario Bros. and certain enemies in Mario & Luigi: Brothership. They are first obtained after defeating Ten on Desolatt Island, although Ten immediately battles the Mario Bros. again; the ensuing battle serves as a tutorial for Battle Plugs. They are crafted with Spark Balls from Sprite Balls. Upon being plugged into Power Taps, their effects manifest at the cost of consuming their individual charges. Some Battle Plugs can enhance the effects of others when used together. This system is comparable to the badges and Battle Cards in previous installments of the series.

List of Battle Plugs

Name	Icon	Effect	Craft cost (Spark Balls)	Number of charges	Recharge turns	Unlock	Note
Kaboom Attack		Get an EXCELLENT rating with a Jump or Hammer attack to also damage nearby targets.		10	30	From the start	After an EXCELLENT rating, it starts a slow motion as an impact wave gets generated to damage nearby enemies, dealing ?% of the original damage. Two copies are available.
Surprise Iron Ball		When you get an EXCELLENT rating with a Jump or Hammer attack, an iron ball drops on the target to deal more damage.	20	10	30		After an EXCELLENT rating, it drops an iron ball at the enemies, dealing ?% of the original damage. Iron balls deal Buster Critical damage to frozen enemies. Two copies are available.
Dizzifying Attack		Increases the damage you deal with Jump and Hammer attacks by 15%. Also, an EXCELLENT rating can make a target dizzy.	20	15	20		When Jumping or Hammering, Mario and Luigi spin fast enough to have motion blur. An attack with EXCELLENT rating has a ?% chance of causing Dizzy. It can still be performed when the other brother is incapacitated.
Fiery Attack		Increase the damage you deal with Jump and Hammer attacks by 15%. Also, if you get an EXCELLENT, your target may become burned.		15	20		When Jumping or Hammering, the attacks have a flame trail. An attack with EXCELLENT rating has a ?% chance of causing Burn.
Icy Attack		Increase the damage you deal with Jump and Hammer attacks by 15%. Also, if you get an EXCELLENT, your target may become iced.		15	20		When Jumping or Hammering, the attacks have a cold air trail with snowflakes, cold puffs, and shining particles. An attack with EXCELLENT rating has a ?% chance of causing Ice.
Attack Boost		Grants you one additional Jump or Hammer attack.		10	30		An extra solo part of the attack is added to the normal attack combo, doing ?% of the damage. Mario or Luigi will cheer the other one on the first jump when doing the Jump attack.
Anti-Flying Specialist		Jump attacks against flying enemies are guaranteed critical hits.	30	10	30	Create 4 Battle Plugs.	Buster Critical deal ?% more damage.
Anti-Spike Specialist		Hammer attacks against spiky enemies are guaranteed critical hits.	30	10	30	Create 4 Battle Plugs.	Buster Critical deal ?% more damage.
Anti-Zokket Specialist		Jump and Hammer attacks against Zok Troops are guaranteed critical hits.		10	30		Buster Critical deal ?% more damage.
Anti-Army Specialist		Jump and Hammer attacks against Bowser's army are guaranteed critical hits.		10	30		Buster Critical deal ?% more damage.
Anti-Glohm Specialist		Jump and Hammer attacks against Glohmed enemies are guaranteed critical hits.		10	30	Defeat Glohm Gobblick	Buster Critical deal ?% more damage.
Seedle-ize		When you get an EXCELLENT rating on a Jump or Hammer attack, sometimes turns your target into a Seedle.		10	20	Trading quest on Allsand Island	Any non-boss enemies has a small chance of becoming a level 1 Seedle. Though not mentioned and with no visible effects, Statusplosion applies to this plug.
Bros. Boost		Boosts damage dealt by Bros. Attacks by 20% but also increases BP spent by 100%.		5	30
Performance Bonus		Restores 50% of BP used on a Bros. Attack that earns an EXCELLENT rating.		3	20
Auto EXCELLENT		Automatically gives Jump, Hammer, and Bros. attacks an EXCELLENT rating.		5	20		The EXCELLENT rating achieved counts toward the Challenges.
Easy-Peasy Counters		Holding the button makes counters easier, enabling you to float in midair when you jump and enlarging your hammer for those counters.		10	20	From the start
Empower Counters		Turns jump counters into ground pounds, and charges up hammer counters to do an extra 30% damage.	30	10	20	Create 4 Battle Plugs.
Damage Shield		Reduces damage received from enemies by 20%.		10	30		Each charge grants protection against one turn of enemy action; If an attack hits multiple times, only one charge would be used.
Protectus		Reduces the damage you suffer from enemies to 0.		3	40		Each charge grants protection against one turn of enemy action; If an attack hits multiple times, only one charge would be used.
Notdroppin		When you have at least 2 HP and you take enough damage to become KO'd, preserves you at 1 HP instead.		5	30
Surefooted Guard		Prevents the effects of Trip and Dizzy.	15	5	20
Temperature Guard		Prevents the effects of Burn and Ice.		5	20
Glohm Guard		Prevents the effects of Glohm.		5	20
Back-Atcha Attack		When you take damage, sometimes triggers an extra Jump or Hammer attack back at the attacker.		3	20		Mario or Luigi do a solo Jump or Hammer attack to counter instead of the combo.
Ouch Charge		Causes damage to charge you up. Once full, your next attack deals +100% damage.		1	5
Auto Mushroom		When your HP becomes low, will automatically use a Mushroom.	20	5	20
Auto Syrup Jar		When your BP becomes low, will automatically use a Syrup Jar.	20	5	20
Auto Herb		When you gain a status effect, will automatically use a Refreshing Herb.	15	5	20
Auto 1-Up		When one of the brothers is KO'd, automatically uses a 1-Up Mushroom.	30	3	20	Create 4 Battle Plugs.
Auto Ampberry		When you are afflicted with Glohm, will automatically use an Ampberry.		5	20
Deluxe Auto		The Auto series of Battle Plugs will automatically select the most efficient recovery item for your current state.		15	15
Spirited Item		Using an item can boost various stats.		5	20
Item Share		Using an item will affect the other bro. as well, while only consuming the one item.		3	30
Second Helping		When using an item, uses two identical items out of your inventory to give the benefit for both.		5	30
Boomerang Items		Items you use return to your inventory.		5	30
Countdown to Crush		The number of charges decreases at the end of every turn. When the number reaches zero, a bomb deals heavy damage to all enemies.		15	15
Countdown to Cure		The number of charges decreases at the end of every turn. When the number reaches zero, HP and BP are 100% restored.		15	15
Countdown to Charge		The number of charges decreases at the end of every turn. When the number reaches zero, all other equipped plugs are recharged to 50%.		15	15		Actually recharges all other equipped plugs by 50% of their max capacity, rounded up, but cannot get them beyond max.
Charge Bank		When another equipped plug would lose charges, this plug's charges decrease instead.		3	20
Speedy Recharge		When another equipped plug reaches zero charges, its recharge time is shortened by 50% turns.		5	20
Coinpiler		Causes enemies to drop coins each time you damage them in proportion to damage dealt.		20	20
Loot Booster		Makes it more likely that defeated enemies will drop items.	30	10	20	Create 4 Battle Plugs.
Auto Luigi		At the end of his turns, Luigi will sometimes take a bonus attack or search the area for an item.		5	20	Defeat the Great Conductor
Waitaminnit		When your regular turn ends, grants you one extra turn.	120	3	40		Turn windows for certain Luigi Logic actions will still pass.

Combos

“Some combinations of Battle Plugs have unique and powerful effects. There are lots of these combinations, so experiment away!”

—Pop-up Hint

Name	Battle Plug 1	Battle Plug 2	Battle Plug 3	Effect
Boosted Kaboom	Attack Boost	Kaboom Attack	N/A	If you use Attack Boost with Kaboom Attack, you'll generate more impact waves.
Surprise Iron Boost	Attack Boost	Surprise Iron Ball	N/A	If you use Attack Boost and Surprise Iron Ball together, you'll increase the number of iron balls that fall.
KaboomBOOM	Kaboom Attack	Kaboom Attack	N/A	If you use two Kaboom Attack plugs together, the impact wave will affect all monsters.
Iron Ka-Ball	Kaboom Attack	Surprise Iron Ball	N/A	Pair Kaboom Attack and Surprise Iron Ball plugs together to make iron balls fall on all enemies hit by the impact wave.
Statusplosion	Kaboom Attack	Dizzifying Attack Fiery Attack Icy Attack Seedle-ize	N/A	If you use Kaboom Attack and a plug that causes status ailments together, the status ailment will spread to all the enemies hit by the impact wave.
Ka-Specialist	Kaboom Attack	Anti-Flying Specialist Anti-Spike Specialist Anti-Zokket Specialist Anti-Army Specialist	N/A	If you use Kaboom Attack and a Specialist-type Battle Plug together, the critical effect will spread to all enemies hit by the impact wave, as long as the Specialist type affects them.
Bigger Ball	Surprise Iron Ball	Surprise Iron Ball	N/A	If you use two Surprise Iron Ball plugs together, the damage they deal will increase.
Dizzy Burn	Dizzifying Attack	Fiery Attack	N/A	Pair the Dizzifying Attack and Fiery Attack plugs, and a fiery tornado will appear, increasing the damage you deal.
Dizzy Ice	Dizzifying Attack	Icy Attack	N/A	Pair the Dizzifying Attack and Icy Attack plugs, and an icy tornado will appear, increasing the damage you deal.
Hot, Cold, and Dizzy	Dizzifying Attack	Fiery Attack	Icy Attack	If you use Dizzifying Attack, Fiery Attack, and Icy Attack together, a bomb tornado will appear, increasing the damage you deal even more.

Extension Corps

During the battle against the Extension Corps, Shun uses his own Battle Plugs against Mario and Luigi which last for the rest of the battle once activated. Shun activates each one at a specific point.

• HUUUGE Iron Ball: An iron ball falls on either Mario or Luigi if they take damage from the Extension Corps' attacks. The iron ball can be countered with the hammer.
• Theme Song: All three members dance to the music, powering them up afterwards.
• Single-Minded: All three members share a health pool.
• PunishMush: Mario and Luigi take damage if they eat any kind of Mushroom.
• Invincible: The Extension Corps are invincible but after several turns create a huge unavoidable explosion which defeats the trio. Using a Boo Biscuit or the Protectus plug guarantees protection against the explosion.

Names in other languages

Language	Name	Meaning	Notes
Japanese	バトルプラグ Batoru Puragu	Battle Plug
Chinese	战斗插头[?]	-
Italian	Spina sinergica	Synergic plug
Portuguese	Plugue de batalha	Battle plug
Spanish	Clavija de combate[?]	Combat's plug