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Discussion: Web-Based Games / Ikariam - How To Optimize the Town Wall to Maximize Defense Bonus - The Town Wall gives all your defending troops a defense bonus, very useful if you
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    Rincewind's Avatar

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    How To Optimize the Town Wall to Maximize Defense Bonus

    The Town Wall gives all your defending troops a defense bonus, very useful if you know how to use it. A Town Wall which is not properly scaled with your Town Hall could work against you giving an attaking bonus to your enemies! In order to optimize the wall you have to check both the Town Wall level and the Town Hall level, according to the formula:


    % Def = (10 * WallLvl^2) / TownHallLvl

    Where:

    Def is the defense bonus in % over the defending troops.
    TownHallLvl is the Town Hall's level.
    WallLvles is the Town Wall's level.
    From this formula you can easily see how it will do you no good to keep overupgrading your Town Hall while forgetting about the Town Wall, since the defense bonus % will shrink with each upgrade. On the other hand, if we make the extra effort of upgrading them toghether, we will enjoy a nice defense bonus equal to the shared level *10 in % over the defendig troops. In other words, if both the Town Wall and the Town Hall are in level 1 your troops get a 10% bonus while defending, if both are at level 2, the bonus wouldbe 20%

    We can see all combinations in this table graphically:

    CityWall / TownHall Level Defense Bonus Relationship
    # 1T 2T 3T 4T 5T 6T 7T 8T 9T 10T
    1Wall 10% 5% 3% 2% 2% 1% 1% 1% 1% 1%
    2Wall 40% 20% 13% 10% 8% 6% 5% 5% 4% 4%
    3Wall 90% 45% 30% 22% %18 15% 12% 11% 10% 9%
    4Wall 160% 80% 53% 40% 32% 26% 22% 29% 17% 16%
    5Wall 250% 125% 83% 62% 50% 41% 35% 31% 27% 25%
    6Wall 360% 180% 120% 90% 72% 60% 51% 45% 40% 36%
    7Wall 490% 245% 163% 122% 98% 81% 70% 61% 54% 49%
    8Wall 640% 320% 213% 160% 128% 106% 91% 80% 71% 64%
    9Wall 810% 405% 270% 202% 162% 135% 115% 101% 90% 81%
    10Wall 1000% 500% 333% 250% 200% 166% 142% 125% 111% 100%


    Holes in the wall - Ikariam
    In Ikariam a Town Wall has as many holes as its level. So a level 5 Town Wall could possibly have a total of 5 holes in it. In order to make a hole though your Town Wall, the attacking forces need to count with "Battering-Ram" units. That special units with that ability. The units that can break though walls are:

    Rams
    Catapults
    Mortars
    Each hole in your wall gives the attacking forces an extra 10% attacking bonus. From this one can deduce that if your Town Wall is not upgraded at least to your Town Hall level; your enemy could use your own Town Wall agains you!

    Example:

    Your Town Hall is at level 6 and your Town Wall is only level 2, by looking at the above table we can see how we only enjoy a 6% defending bonus for our troops. Because the wall is at level 2, it can host up to two holes, that is a 20% attacking bonus for your enemy. 20% - 6% yields a final 14% bonus for your enemy.

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  3. #2


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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    Essentially if the town wall is not at a higher lvl than the town hall, it gives a bonus to the attacker. Of course this is dependent on the attacker sending enough spies and those spies opening all possible gates.

    Take a lvl 10 town wall and lvl 10 town hall. With 10 possible holes, you just break even. At a lvl 9 town wall, assuming they sent 9 spies and they opened all the gates, you would give the attacker a 9% bonus




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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    My town hall is level 14, while my town wall is level 7, It just gets to tedious upgrading it.
    |TG-12th|Undead


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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    If someone were to send 7 spies and they managed to open the gates, they would get a hefty attack bonus.


    LOL, all of this is also assuming that this part of the game works. For all we know, spies can't unlock a thing.




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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    Maybe, they'd be dumb to try to attack me anyway.
    |TG-12th|Undead


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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    while it wouldn't be the smartest thing to do. We are not the largest or most powerful alliance and there are many colonies with very large armies.




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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    I'm growing more soldiers on a daily basis. I still plan on upgrading my wall, but its kind of on the back burner right now.
    |TG-12th|Undead


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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    I'm doing the same. I backed off from growing my army too much at the moment because of the stupid governor's residences. Expanding beyond 4 colonies is going to cost a TON. Hell, that is what I was working on, having a large expansive empire. Not sure what to do now.




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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    Can't forget that each level of town wall also gives your defending troops +3 attack per level regardless of the number of holes. That means a level 10 wall will give all defending units +30 offense regardless of the number of holes in it.
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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    Code:
    CityWall / TownHall Level Defense Bonus Relationship
    #	1T	2T     	3T 	4T 	5T 	6T 	7T 	8T 	9T 	10T
    1Wall 	10%    	5%    	3% 	2% 	2% 	1% 	1% 	1% 	1% 	1%
    2Wall 	40%    	20%  	13% 	10% 	8% 	6% 	5% 	5% 	4% 	4%
    3Wall 	90%    	45%  	30% 	22% 	18% 	15% 	12% 	11% 	10% 	9%
    4Wall 	160%  	80% 	53% 	40% 	32% 	26% 	22% 	29% 	17% 	16%
    5Wall 	250%  	125% 	83% 	62% 	50% 	41% 	35% 	31% 	27% 	25%
    6Wall 	360%  	180% 	120% 	90% 	72% 	60% 	51% 	45% 	40% 	36%
    7Wall 	490%  	245% 	163% 	122% 	98% 	81% 	70% 	61% 	54% 	49%
    8Wall 	640%  	320% 	213% 	160% 	128% 	106% 	91% 	80% 	71% 	64%
    9Wall 	810%  	405%	270% 	202% 	162% 	135% 	115% 	101% 	90% 	81%
    10Wall 	1000% 	500% 	333% 	250% 	200% 	166% 	142% 	125% 	111% 	100%
    just to make it a bit easier to read.
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  21. #11

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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    I now have a level 9 wall, still with a level 14 town. 57% defense.
    |TG-12th|Undead


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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    Quote Originally Posted by UnDeaD77 View Post
    I now have a level 9 wall, still with a level 14 town. 57% defense.
    well considering there is no running cost for the wall, its worth it.

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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    Quote Originally Posted by El_Gringo_Grande View Post
    Code:
    CityWall / TownHall Level Defense Bonus Relationship
    #	1T	2T     	3T 	4T 	5T 	6T 	7T 	8T 	9T 	10T
    1Wall 	10%    	5%    	3% 	2% 	2% 	1% 	1% 	1% 	1% 	1%
    2Wall 	40%    	20%  	13% 	10% 	8% 	6% 	5% 	5% 	4% 	4%
    3Wall 	90%    	45%  	30% 	22% 	18% 	15% 	12% 	11% 	10% 	9%
    4Wall 	160%  	80% 	53% 	40% 	32% 	26% 	22% 	29% 	17% 	16%
    5Wall 	250%  	125% 	83% 	62% 	50% 	41% 	35% 	31% 	27% 	25%
    6Wall 	360%  	180% 	120% 	90% 	72% 	60% 	51% 	45% 	40% 	36%
    7Wall 	490%  	245% 	163% 	122% 	98% 	81% 	70% 	61% 	54% 	49%
    8Wall 	640%  	320% 	213% 	160% 	128% 	106% 	91% 	80% 	71% 	64%
    9Wall 	810%  	405%	270% 	202% 	162% 	135% 	115% 	101% 	90% 	81%
    10Wall 	1000% 	500% 	333% 	250% 	200% 	166% 	142% 	125% 	111% 	100%
    just to make it a bit easier to read.
    Thanls! Also, the newest version of Kronos Tools GM script includes this information.
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  27. #14

    UnDeaD's Avatar

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    Re: How To Optimize the Town Wall to Maximize Defense Bonus

    Finally caught my wall up to my town hall.

    Defense bonus: 180%
    |TG-12th|Undead


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