When you destroy the egg , your team gets a certain amount of Egg embryos . You also get them when you eliminate a player . Eliminate not just kill . Use these to get team upgrades . ie potion effects , blah blah blah , abilities you know what i mean . Some upgrades for the team must still be purchasable with emeralds . There should be a balance between controlling mid and popping eggs . Make e pearls in normal cost embryos