Citadel is a block protection mod that provides a level of protection relative to the material used to create the protection. There are two linked concepts that Citadel uses to provide protection - reinforcement and security level.

Citadel Natural Reinforcements

Have a hardcore sever where you want everything to be tough? Well Citadel is able to naturally reinforce certain blocks. This allows you you to make mining any certain kind of block you want take a certain amount of breaks to break the block. Example: you have stone and a player comes across it. Citadel says that it takes 4 breaks to really break stone. The player must break the same stone block 4 times before it disappears and drops a cobble stone.



A reinforcement provides protection to a block from being broken. Each type of reinforcement material provides a different number of protections, with a protection being used up during each block break event. The strengths of stone, iron, and diamond reinforcement are 25, 250, and 1800 respectively. For example, if you protect a glass block with an iron ingot, you will have to break the glass block 250 times before it is actually broken.

Security Level

A reinforced block which is considered securable (configurable but includes anything openable like a door or fence gate, and any containers like furnaces and chests) can also have its allowed access limited to the individual which placed the block or a group to which they belong.


Players can create groups and add members to them. Groups have the following hierarchy:

Owner: Can delete, transfer, add and remove mods, allow and disallow members, modify reinforcements, and set password.

Moderator: Can allow and disallow members, modify/bypass, and add new blocks to group. Cannot delete or transfer group, and cannot add or remove mods.

Member: Can only access and open things like doors, chests, etc. Cannot modify or bypass reinforcements, and cannot edit group.


Reinforcement: In this mode, a player can reinforce already existing blocks. To start, type /ctreinforcement followed by an optional security level. If no security level is specified, blocks are secured at the private level. Once in this mode, hold a valid reinforcement material in your hand and click on the block to reinforce it.

Single block mode: To provide feature compatibility with LWC, you can enter single block reinforcement mode by typing /ctprivate, /ctgroup, or /ctpublic. These are aliases for /ctreinforcement followed by the corresponding security level, with the exception that once a block is reinforced, reinforcement mode is disabled. Fortification

In this mode, a player can place blocks that are reinforced. This is useful for building reinforced structures, or placing a lot of reinforced securable blocks. To enter this mode, hold a valid reinforcement material in your hand and type /ctfortify followed by an optional security level. If no security level is specified, blocks are secured at the private level.

Information: In this mode, a player can easily see the status of all reinforce blocks by interacting with them. To enter this mode, type /ctinfo.

Bypass: Can be active alongside any other mode. In this mode, the player will bypass all reinforcements that they are able to access, so that blocks can be broken normally. The chance that they will receive the reinforcement resource back is (durability / material strength). To toggle this mode, type /ctbypass.

Normal: To reset placement mode to normal, type /ctoff. This will reset your placement mode, security level, and turn bypass mode off.


Name Usage Shortcut

Create Group /ctcreate <group-name> /ctc

Delete Group /ctdelete <group-name> /ctdel

Group Info /ctgroupinfo <group-name> /ctgi

Transfer Group /cttransfer <group-name> <target-player-name> /ctt

Group Password ("null" disables password/join) /ctpassword <group-name> <password> /ctpw

Add Moderator /ctaddmod <group-name> <player-name> /ctam

Remove Moderator /ctremovemod <group-name> <player-name> /ctrm

Allow Member /ctallow <group-name> <player-name> /cta

Disallow Member /ctdisallow <group-name> <player-name> /ctd

Join Group /ctjoin <group-name> <group-password> /ctj

Leave Group /ctleave <group-name> /ctl

List Your Groups /ctgroups /ctgs

List Moderators of Your Group /ctmoderators <group-name> /ctmods

List Members of Your Group /ctmembers <group-name> /ctm

Bypass Mode /ctbypass /ctb

Fortify Mode /ctfortify [security-level] /ctf

- /ctfortify group <group-name> -

Group Mode /ctgroup <group-name> /ctg

Reinforce Mode /ctreinforce [security-level] /ctr

- /ctreinforce group <group-name> -

Private Mode /ctprivate /ctpr

Public Mode /ctpublic /ctpu

Info Mode /ctinfo /cti

Toggle Modes Off /ctoff /cto

Possible Reinforcement Materials /ctmaterials /ctmat

Non Reinforceable /ctnonreinforceable /ctn

Reinforcements that are securable /ctsecurable /cts

Plugin Version /ctversion /ctv

Stats /ctstats

Help /help Citadel

<> = mandatory [] = optional


Owner: Can: delete group, transfer group, add & remove mods, allow & disallow members, access reinforcements, modify reinforcements, set password.

Moderator: Can: allow & disallow members, access reinforcements, modify reinforcements.

Member: Can: access reinforcements (such as doors, chests)


A Mysql database is required to use this plugin. If needed, the SQL create table statements are here.

Source Code

Want to Contribute to the project, here is the Git Hub page and the Jenkins Page.

Prison Pearl: Prison Pearl is a plugin that allows players to imprison other players and control them through the use of ender pearls that become Prison Pearls. Combined with Citadel it allows imprisoned players to tell other players the location of their pearl and the possibility of being freed.


Citadel was designed and customized for Civcraft (ip= as a way to allow players be able to protect their own buildings but also gave the advantage of allowing griefers or other players to still be able to break or steal blocks or chests.

The subreddit for this server is

The Civcraft Description.

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  • Avatar of gv1222 gv1222 Jul 20, 2014 at 16:29 UTC - 0 likes

    Would it be possible to add a disabled-worlds option to the config or a sweeping permission to disable use in a world? Thanks.

  • Avatar of rourke750 rourke750 Jun 08, 2014 at 22:47 UTC - 0 likes

    @Xhadius: Go

    Yes, currently it is under testing, when available will be uploaded here

  • Avatar of rourke750 rourke750 Jun 08, 2014 at 22:47 UTC - 0 likes

    @Typical_Name: Go

    Hey sorry for the late response. Download this for windows

  • Avatar of Xhadius Xhadius May 26, 2014 at 17:42 UTC - 0 likes

    Will there be an update because of the UUID? Else there can be problems with the usergroups I guess.

  • Avatar of Typical_Name Typical_Name May 16, 2014 at 01:45 UTC - 0 likes

    A guide on how to install MySQL and use it would be helpful. Nothing I've found with Google works...

  • Avatar of Typical_Name Typical_Name May 14, 2014 at 19:39 UTC - 0 likes

    I have feature request: I like the idea behind Citadel, but I don't like how it makes tnt bombing practically useless - ie, it would take 1800 tnt to destroy one diamond-reinforced block. So I was wondering, would you be willing to add in a feature that allows explosions to damage the reinforcement level of blocks they hit by a configurable amount? (ie, say I thought it should only take 18 explosions to blow up that diamond-reinforced block, so I would want each explosion that hits to take 100 reinforcement points off of the block)

  • Avatar of Xickle Xickle Apr 17, 2014 at 21:39 UTC - 0 likes

    Does the plugin support permissions? If so, what are the nodes?

  • Avatar of TheDedOne TheDedOne Dec 28, 2013 at 05:58 UTC - 1 like

    Should the current version work with 1.7.2, or does it need to be updated?

  • Avatar of rourke750 rourke750 Sep 12, 2013 at 00:30 UTC - 0 likes

    @Shvesley: Go

    I'm not actually sure what would happen. Test it and find out.

  • Avatar of Shvesley Shvesley Sep 12, 2013 at 00:24 UTC - 0 likes

    @rourke750: Go

    What do you mean exactly? I'm afraid I don't follow.

    Thanks for the reply.

    You can drop me a message on Skype (Shvesley) anytime.


Date created
Oct 05, 2012
Last update
Dec 18, 2013
Development stage
  • enUS
Open Source
Curse link
Recent files