calculateBossXPMultiplier
Calculates the XP multiplier for a boss based on its health and damage multipliers.
HP component uses a sublinear exponent (0.6) to reward longer fights without making high-health bosses disproportionately profitable. Damage component is heavily dampened since even small increases in damage significantly increase difficulty.
Formula: hpMultiplier^0.6 * (1 + (dmgMultiplier - 1) * 0.15)
Return
The XP multiplier to apply (minimum 0.01 to avoid zero XP)
Parameters
healthMultiplier
The mob's health multiplier (e.g. 1.0 for normal, 10.0 for boss)
damageMultiplier
The mob's damage multiplier (e.g. 0.8 for trash, 1.5 for boss)