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Idle XP

You earn XP constantly, whether or not you are doing anything. It is your main income at every stage of the game.

Your base rate is your Rejoin Multiplier. Everything below multiplies it.

Boost Worth How you get it
Rejoin chain up to 4x +5 % per leave, expires after 10 minutes
Your activity up to 3x killing players and NPCs, collecting orbs — fades fast
Server star boost +2x per Lucky Star, +10x per Hyper Star anyone collecting a star, decays over time
Castle 1 + server activity — often 6x to 100x hold the castle pad
Hill 1 + activity ÷ 1.5, two thirds of the castle hold the hill pad
Friends +5 % each, up to 25 % friends in your server with you
Clan your clan’s idle XP upgrade clan upgrades
Global boost server-wide, same for everyone set globally

They all stack, so a good moment can be worth many times a bad one.

Roblox Premium adds a flat bonus on top instead of multiplying. It is huge early on and irrelevant once your multiplier is large.

The server tracks how much is going on: +0.05 when a player joins, +0.02 per enemy killed, +0.01 per orb collected, +10 or +100 from a star’s activity roll. It decays by 1 % a second, so it measures right now, not an hour ago.

That number does two things:

  • it is the castle and hill boost — a castle held at 20 activity pays 21x
  • it raises every random roll in the game, at roughly (1 + activity)^1.5 — better enemies, better orbs, better star outcomes

So a full, active server is genuinely more profitable, not just more fun.

  • The biggest lever you control alone is the rejoin chain. Keep it alive.
  • Your personal activity boost drains quickly, so it rewards continuous fighting rather than bursts.
  • Save your big Occult and Champion summons for when all of this is stacked — they are priced off your income rate at the moment you cast.