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The Siege Core

MKI edited this page Nov 9, 2026 · 1 revision

The Siege Core

The Siege Core is the heart of your base. It stores your team, Threat, Core health, Siege Tokens and upgrades.

The Core menu

Right-click the Core to open it.

Section What you find
Base info Owner, stage, Infinity level, Threat and Core health
Team Members, their roles and who is online
Rewards Tokens and items from won invasions, ready to claim
Upgrades Core upgrades and the defense shop

Only the owner can break the Core. Managers can help with settings, upgrades and rewards.

Keep a walkable path

Monsters have to be able to reach the Core on foot, so an invasion only starts if a walkable route exists.

A route counts when, step by step, a mob could really walk it:

  • two blocks of free space with solid ground below at every step, or water, which mobs can swim through,
  • steps of at most one block up or down,
  • reaching at least 16 blocks from the Core (coreAccessScanRadius).

Air does not count. Digging a pit around the Core so that it floats on a pillar blocks the invasion. Lava blocks the route as well. Defense blocks do not, because siege mobs attack them. Mazes and long detours are fine.

Sealing the Core during an invasion

If the route is cut while an invasion is running, everyone on the team gets a warning. After 10 seconds the Core loses 2 HP every second until a route exists again. Waves are also paused between attacks while the Core is sealed, so this never helps you.

Core health

Source Effect
Starting health 250 HP
Core Armor +50 HP per level
Core level +10 HP per level
Won stage +25 maximum HP

Healing during a fight:

How HP
Right-click with an Iron Ingot 25
Right-click with a Diamond 50
Each cleared wave 50
Repair Pylon 3 every 4 seconds

When the Core reaches 0 HP the invasion fails and the Core is destroyed in an explosion of TNT.

Core level

The Core gains XP from cleared waves (12) and won invasions (80). Each level adds Core health and slightly raises your final Token reward, up to level 50.

Teams

Add friends with /siege team add <player>; they accept with /siege accept. See Commands. Managers can change settings, so promote only players you trust.

If the whole team goes offline, a running invasion is frozen until someone returns.

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