HOSTILE REACTION HIJACKING
Use separate primary attacks of a compatible element to fill your nation’s hijack meter on an enemy base zone. Reaching 100% transforms it into a hazard owned by your nation that spares your teammates.
Earth + Fire Lava · damage, burn & slow
Water + Fire Steam · damage & slow
Water + Air Permafrost · damage & freeze
Air + Fire Firestorm · pull, damage & burn
Earth + Water Mud · damage & slow
Both directions work: Earth can steal a Fire Wall; Fire can steal an Earth Wall. Only base zones can evolve or be hijacked; evolved hazards cannot transform again.
EARTH · SAME-NATION RESONANCE
Boulder Hurl + allied Rock Wall → Metal Shrapnel Field