Battle Royale

> Arenas

Battle Royales are a game mode introduced in update 1.92 and changed by update 2.46. They are fights with 10 to 20 players in "every leek for itself" mode, so there are 10 to 20 one-player teams on the map, which opens up new possibilities for AIs.

You can register from level 20, and leeks are split into 4 tiers: levels 20 to 99, 100 to 199, 200 to 299, and 300/301 (in automatic BRs), or all grouped together (in Garden BRs). Just go to the Battle Royale tab of the Garden and select a leek. You then enter the room for your level tier and can see the other leeks waiting. Once at least 10 leeks have registered, the fight starts after 20 seconds!

Power mechanism

Power is a new characteristic of entities that comes into the damage calculation (direct, poison, life_damage or nova_damage) and acts as a global multiplier on the final damage value. This gives the formula:

damage = item_damage * (1 + strength / 100) * (1 + power / 100) (replace strength with magic for poisons, or with science for nova_damage) In short: 50 power = +50% damage, 100 power = +100% or ×2 damage

The power gain rules in BR are as follows:

At the end of each game turn, all living entities (leeks or summons) permanently gain 2 power. Each kill gives 10 power for a leek or a chest and 2 for a summon, plus 50% of the power accumulated by the victim. On top of that, killing a chest gives a bonus that depends on its type: 10, 50 or 100 for a wooden, iron or diamond chest respectively. In addition, this power effect is irreducible. An irreducible effect cannot be removed by Liberation. It is marked by an EFFECT_MODIFIER_IRREDUCTIBLE modifier.

The getPower function that goes with this mechanism returns an entity's current power. Note that the BR power effect is given by a dummy item with ID 0.

Another thing to watch out for in BR: if you kill someone with Punishment, you gain 10 power plus half of the target's accumulated power. Since this power gain happens at the end of the first damage, it applies to the second damage! So be careful to calculate the second damage with the potential power gain from killing your target.