Elem Guard is an item that teaches any GF the ability Elem-Defx4. It can be dropped from Krysta (any level), one can be refined from five Diamond Armors, and three can be refined from one Selphie card. One Elemental Guard can be refined into four Elixirs with Forbid Med-RF.
Elemental Guard is a level 90 chestplate that provides +2322 HP, +69 Bravery, -1 Defense, and BRV Boost on Stage Destruction +5%.
Classical elements typically refer to ancient concepts similar to the modern states of matter: earth (solid), water (liquid), air (gas) and fire (plasma). Classical elements are the simplest form of existence, of everything in existence. Many philosophies and worldviews believe in classical elements.