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Attack (boost)

The Attack Boost is a feature of some buildings and items to increase the attack value of attacking units by a certain percentage. The attack boost can also be activated in the Friends Tavern by paying for it with Tavern Silver.

The attack boost only benefits the attacking units, units defending the city will not be affected. To increase the stats of the defending units players may use the defense boost.

When having multiple attack boosts, either from buildings or from items, those percentages are stacked. Then the unit's base attack value is increased by the result.

Attack Boost Providers

Great Buildings

Some of the Great Buildings offer a Military Boost or Advanced Tactics bonus, which beside increasing the attack value also increases the defense value of the attacking units. Great Buildings are the only option to boost the defense value of the attacking units.

Building Attack Bonus Military Boost and Advanced Tactics Advanced Tactics
Castel del Monte Castel del Monte Provides Attack Bonus Military Boost
Provides Attack (boost) +3% attack boost at level 1 and Attack (boost) +30% attack boost at level 10. After level 10 Attack (boost) +1% attack boost is gained after every second level.
Cathedral of Aachen Cathedral of Aachen Provides Attack Bonus Military Boost
Provides Attack (boost) +3% attack boost at level 1 and Attack (boost) +30% attack boost at level 10. After level 10 Attack (boost) +1% attack boost is gained after every second level.
Statue of Zeus Statue of Zeus Provides Attack Bonus Military Boost
Provides Attack (boost) +3% attack boost at level 1 and Attack (boost) +30% attack boost at level 10. After level 10 Attack (boost) +1% attack boost is gained after every second level.
Terracotta Army Terracotta Army Provides Advanced Tactics Advanced Tactics
Provides Attack (boost) +2% attack boost at level 1 and Attack (boost) +20% attack boost at level 10. After level 10 Attack (boost) +1% attack boost is gained after every second level. What makes the Terracotta Army different is that the stats of the defending army are also increased by the same amount.

Special Buildings

Building Attack (boost) Attack Boost
Altar Garden Lvl 5-2 Altar of Artemis Provides from Attack (boost) +3% to Attack (boost) +7% attack boost depending on the buildings age. Altar of Artemis is one of the six options when reaching level 5 with the Altar Garden.
Appleton Cottage The Appleton Cottage Provides from Attack (boost) +5% to Attack (boost) +13% attack boost depending on the buildings age. The Appleton Cottage is one of the three options when reaching level 7 with the September Cottage.
Botanical Rotunda Botanical Rotunda Provides from Attack (boost) +5% to Attack (boost) +10% attack boost depending on the buildings age.
Carousel Carousel Provides from Attack (boost) +4% to Attack (boost) +8% attack boost depending on the buildings age. In addition to attack boost the Carousel also provides the same amount of defense boost.
Checkmate Square Checkmate Square Provides from Attack (boost) 5% to Attack (boost) +10% attack boost depending on the buildings age.
Classical Garden Pool Classical Garden Pool Provides Attack (boost) +5% attack boost when adjacent to two other different buildings from the Classical Garden Set. The boost values remain constant through the ages.
Colossus Lvl 10 Colossus Starts providing attack boost when upgraded to level 4 or more. Gives from Attack (boost) 3% to Attack (boost) +14% attack boost depending on the buildings level and the age.
Contestants' Estate Contestants' Estate Provides Attack (boost) +3% attack boost. The boost values remain constant through the ages.
Drummer School Drummer School Provides Attack (boost) +4% attack boost. The boost value remains constant through the ages.
Elephant Fountain Elephant Fountain Provides from Attack (boost) +2% to Attack (boost) +9% attack boost when adjacent to at least four other building from the Indianfountainset Indian Fountain Set. The boost value depends on the buildings age.
Fire Pagoda Fire Pagoda Provides from Attack (boost) +6% to Attack (boost) +12% attack boost depending on the buildings age. The Fire Pagoda is one of the three options when upgrading the Pagoda to level 7.
Greater Runestone Lvl 5 Greater Runestone Provides from Attack (boost) +2% attack boost when upgraded to level 4 or more. The boost value remains constant through the ages.
Halmbock Halmbock Provides Attack (boost) +1% attack boost when adjacent to two other different buildings from the Winter Village Winter Village Set or Attack (boost) +3% attack boost when adjacent to three different buildings from the set. The boost values remain constant through the ages.
Piazza Clock Tower Level 2 Piazza Clock Tower At level 1 provides from Attack (boost) +2% to Attack (boost) +7% attack boost when adjacent to three other different buildings from the Piazza Set. The boost values depends on the buildings age.
At level 2 Attack (boost) +4% to Attack (boost) +9% attack boost is provided.
Royal Marble Gateway Royal Marble Gateway Provides from Attack (boost) +2% to Attack (boost) +7% attack boost depending on the buildings age.
Pirate Guard Post Pirate Guard Post Provides from Attack (boost) +1% to Attack (boost) +2% attack boost depending on the buildings age.
Sakura Rock Level 1 Sakura Rock Provides Attack (boost) +2% attack boost when adjacent to two other different buildings from the Cherry garden Cherry Garden Set or Attack (boost) +5% attack boost when adjacent to three different buildings from the set. The boost values remain constant through the ages.
At level 2 the Sakura Rock provides Attack (boost) +4% attack boost when adjacent to two other buildings from the set or Attack (boost) +10% attack boost when adjacent to three.
Speaker's Corner Speaker's Corner Provides from Attack (boost) +5% to Attack (boost) +10% attack boost depending on the buildings age.
The Ship Lvl 7-3 The Pirate Ship Provides Attack (boost) +8% attack boost. The boost value remains constant through the ages. The Pirate Ship is one of the three options when upgrading The Ship to level 7.
Winners' Plaza Winners' Plaza Provides from Attack (boost) +2% to Attack (boost) +6% attack boost depending on the buildings age.
Yggdrasil Lvl 9 Yggdrasil Provides from Attack (boost) +6% to Attack (boost) +30% attack boost depending on the buildings level. On the same level the boost value remains constant through the ages.
Abandoned Asylum Lvl 9 Abandoned Asylum Provides from Attack (boost) +16% to Attack (boost) +24% attack boost on the highest level, depending on the buildings age.

Military Buildings

From the Contemporary Era and onward some of the regular military buildings also provide attack boost.

Building Boost Era
Attack Helicopter Base Attack Helicopter Base Attack (boost) +4% Contemporary Era
Strike Team Center Strike Team Center Attack (boost) +4% Contemporary Era
Stealth Tank Factory Stealth Tank Factory Attack (boost) +4% Tomorrow Era
Ultra AP Factory Ultra AP Factory Attack (boost) +4% Tomorrow Era
Exoskeleton Factory Exoskeleton Factory Attack (boost) +5% Future Era
Hover Tank Base Hover Tank Base Attack (boost) +5% Future Era
Behemoth Hangar Behemoth Hangar Attack (boost) +6% Arctic Future
Dragon Drone Base Dragon Drone Base Attack (boost) +7% Arctic Future
Manta Bay Manta Bay Attack (boost) +7% Oceanic Future
Nautilus Drop Nautilus Drop Attack (boost) +7% Oceanic Future
Hidden School Hidden School Attack (boost) +8% Virtual Future
Rocket Range Rocket Range Attack (boost) +8% Virtual Future

Items

Attacker boost items can be gained from the boost crate, events, Daily Challenges and Incidents. Items can only provide a temporary attack boost.
Attacker boosts can only be used one at a time. When choosing a second item, the player will be asked if they want to replace the acitvated item with the second one.

Item Attack (boost) Attack Boost
Attack small Small Attacker Boost Provides Attack (boost) +5% attack boost for Clock8h.
Attack medium Medium Attacker Boost Provides Attack (boost) +10% attack boost for Clock8h.
Attack large Large Attacker Boost Provides Attack (boost) +20% attack boost for Clock8h.

Friends Tavern

A temporary attack boost can be activated in the Friends Tavern with Tavern Silver.

Item Tavern Silver Cost Attack (boost) Attack Boost
Tavern Attacker Boost 1 Tavern Silver 750 Activates Attack (boost) +10% attack boost for Clock30m.
Tavern Attacker Boost 2 Tavern Silver 3,000 Activates Attack (boost) +20% attack boost for Clock4h.
Tavern Attacker Boost 3 Tavern Silver 8,500 Activates Attack (boost) +30% attack boost for Clock24h.

See also

Offensive Army
Defensive Army
Defense Boost
Boost Crate

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