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  • But A and B are the same gradients.

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  • Just thought I'd drop in and say hi!

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  • Hi there, Pkukiss. Thanks for all of your edits to the wiki over time. They are appreciated. I am messaging you to ask about your most recent edit to the Weapon Lab page. Could you please explain to me the meaning of that trivia point that you added? I am not sure how you arrived at that conclusion.

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    • Dear KD,

      I found that each building level's upgrade cost unlocked at HQ level n is a certain percentage of upgrading HQ level n to the next level, and are rounded to two or three significant digits. Exceptions are some low level upgrades and the iron mine.


      For example, for the sniper tower, from level 4 on:

      level 4 ST's cost (2070 wood) is approximately 35% cost of upgrading the level 3 HQ (5900 wood)

      level 5 ST's cost (4700 wood) is approximately 36% cost of upgrading the level 4 HQ (13000 wood)

      level 6 ST's cost (9300 wood) is approximately 37% cost of upgrading the level 5 HQ (25000 wood)

      ...

      level 12 ST's cost (115000 wood, 42000 stone, 12000 iron) is approximately 43% cost of upgrading the level 11 HQ (268000 wood, 97000 stone, 28000 iron)

      ...

      level 19 ST's cost (1650000 wood, 1500000 stone, 990000 iron) is approximately 50% cost of upgrading the level 18 HQ (3300000 wood, 3000000 stone, 1970000 iron)

      level 20 ST's cost (2100000 wood, 2100000 stone, 2090000 iron) is approximately 51% the hypothetical cost of upgrading the level 20 HQ (around 4118000 wood, 4120000 stone and 4104000 iron).


      Weapon Lab's costs are 120% of those HQ upgrades, but the 4900000 of each resources is 120% the hypothetical cost of upgrading the level 20 HQ rather than 120% the cost of upgrading the level 19 HQ.


      Other buildings also have patterns. For example, the Flamethrower:

      FT level 1, unlocked at HQ level 9, costs 25% the cost of upgrading the HQ level 9 (to level 10).

      FT level 2, unlocked at HQ level 9, costs 35% the cost of upgrading the HQ level 9.

      FT level 3, unlocked at HQ level 10, costs 35% the cost of upgrading the HQ level 10.

      FT level 4, unlocked at HQ level 11, costs 35% the cost of upgrading the HQ level 11.

      FT level 5, unlocked at HQ level 11, costs 40% the cost of upgrading the HQ level 11.

      FT level 6, unlocked at HQ level 12, costs 40% the cost of upgrading the HQ level 12.

      FT level 7, unlocked at HQ level 13, costs 43% the cost of upgrading the HQ level 13.

      FT level 8, unlocked at HQ level 14, costs 43% the cost of upgrading the HQ level 14.

      FT level 9, unlocked at HQ level 14, costs 46% the cost of upgrading the HQ level 14.

      FT level 10, unlocked at HQ level 15, costs 46% the cost of upgrading the HQ level 15.

      FT level 11, unlocked at HQ level 16, costs 46% the cost of upgrading the HQ level 16.

      FT level 12, unlocked at HQ level 17, costs 49% the cost of upgrading the HQ level 17.

      FT level 13, unlocked at HQ level 17, costs 49% the cost of upgrading the HQ level 17.

      FT level 14, unlocked at HQ level 18, costs 52% the cost of upgrading the HQ level 18.

      FT level 15, unlocked at HQ level 19, costs 52% the cost of upgrading the HQ level 19.

      FT level 16, unlocked at HQ level 20, costs 52% the hypothetical cost of upgrading the HQ level 20.

      FT level 17, unlocked at HQ level 20, costs 55% the hypothetical cost of upgrading the HQ level 20.

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    • A FANDOM user
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  • Hi, welcome to Boom Beach Wiki! Thanks for your edit to the Iron Mine page.

    Please leave me a message if I can help with anything!

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    • A FANDOM user
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