v0.9.0b: Adjusted hostile champions challenge:

- Champion base spawn rate up to 1/10 from 1/15
- Champions per floor now have a cap to prevent terrible luck
- Growing champion base power reduced by 20%
- Growing champion power scaling reduced by 50%

core/src/main/assets/messages/misc/misc.properties

@@ -84,6 +84,6 @@ challenges.darkness_desc=It is a dungeon after all!\n\n- Regular visible distanc
 challenges.no_scrolls=Forbidden runes
 challenges.no_scrolls_desc=A certain rune is harder to find. Unfortunately, it's always the most useful one.\n\n- Half of the dungeon's upgrades scrolls are removed
 challenges.champion_enemies=Hostile champions
-challenges.champion_enemies_desc=You're not the only one who can level up!\n\n- Regular enemies have a 1/15 chance to spawn with a special champion buff.\n- Champions wake up if they spawn asleep\n- The hero knows when a champion spawns\n- Champions are immune to corruption\n\nThere are six types of champion enemy:\n_Blazing (orange):_ +25% melee damage, ignites on hit, immune to fire, spreads flames on death\n_Projecting (purple):_ +25% melee damage, +8 melee range\n_Antimagic (green):_ -25% damage taken, immune to magical effects\n_Giant (blue):_ -75% damage taken, +1 melee range, cannot move into tunnels\n_Blessed (yellow):_ +200% accuracy, +200% evasion\n_Growing (red):_ +25% accuracy, evasion, damage, and effective HP. Increases by 1% every 2 turns.
+challenges.champion_enemies_desc=You're not the only one who can level up!\n\n- Regular enemies have a 1/10 chance to spawn with a special champion buff.\n- Champions wake up if they spawn asleep\n- The hero knows when a champion spawns\n- Champions are immune to corruption\n\nThere are six types of champion enemy:\n_Blazing (orange):_ +25% melee damage, ignites on hit, immune to fire, spreads flames on death\n_Projecting (purple):_ +25% melee damage, can attack anything they see\n_Antimagic (green):_ -25% damage taken, immune to magical effects\n_Giant (blue):_ -75% damage taken, +1 melee range, cannot move into tunnels\n_Blessed (yellow):_ +200% accuracy, +200% evasion\n_Growing (red):_ +20% accuracy, evasion, damage, and effective HP. Increases by 1% every 3 turns.
 
 rankings$record.something=Killed by Something

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/ChampionEnemy.java

@@ -34,6 +34,8 @@ import com.watabou.utils.Bundle;
 import com.watabou.utils.PathFinder;
 import com.watabou.utils.Random;
 
+import java.util.HashSet;
+
 public abstract class ChampionEnemy extends Buff {
 
 	{
@@ -92,8 +94,20 @@ public abstract class ChampionEnemy extends Buff {
 		immunities.add(Corruption.class);
 	}
 
-	public static void rollForChampion( Mob m ){
-		if (Random.Int(15) == 0){
+	public static void rollForChampion(Mob m, HashSet<Mob> existing){
+		int existingChamps = 0;
+		for (Mob e : existing){
+			if (!e.buffs(ChampionEnemy.class).isEmpty()){
+				existingChamps++;
+			}
+		}
+
+		//cap of 2/2/3/3/4 champs for each region. Mainly to prevent terrible luck in the earlygame
+		if (existingChamps >= 2 + Dungeon.depth/10){
+			return;
+		}
+
+		if (Random.Int(10) == 0){
 			switch (Random.Int(6)){
 				case 0: default:    Buff.affect(m, Blazing.class);      break;
 				case 1:             Buff.affect(m, Projecting.class);   break;
@@ -208,12 +222,12 @@ public abstract class ChampionEnemy extends Buff {
 			color = 0xFF0000;
 		}
 
-		private float multiplier = 1.24f;
+		private float multiplier = 1.19f;
 
 		@Override
 		public boolean act() {
 			multiplier += 0.01f;
-			spend(2*TICK);
+			spend(3*TICK);
 			return true;
 		}
 

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java

@@ -449,7 +449,7 @@ public abstract class Level implements Bundlable {
 
 		Mob m = Reflection.newInstance(mobsToSpawn.remove(0));
 		if (Dungeon.isChallenged(Challenges.CHAMPION_ENEMIES)){
-			ChampionEnemy.rollForChampion(m);
+			ChampionEnemy.rollForChampion(m, mobs);
 		}
 		return m;
 	}