Board Thread:Theories and Speculation/@comment-5407586-20150624095943/@comment-5936871-20150627183106

@Mecha Naruto It can be determined though observation and that being the only possible outcome. We know Explosion Release is earth-based, earth + fire = lava, earth + wind = magnet, earth + water = wood, earth + lightning = explosion is the only logical choice left. There isn't any other possible option.