best to play with JEI
mobs:
ice elemental: spawns in snowy biomes (minus snowy beach) and frozen biomes
magmatic elemental: spawns in the nether and deserts.
harbinger: has a 25% chance to spawn after killing a mob, including another harbinger
frozen destroyer: spawn's instead of ice elementals
magmatic destroyer: spawn's instead of magmatic elementals
there is three boss mobs:
The Grand Arbider: one phase
Zarnok the Breaker: two phases
infinirus Infinirus the broken: three phases
what extreme mode blocks:
adds:
dark sword, dark spear, dark armour, custom mob model armours, and a achievement line up (like most mods), and six enchantments.
