Kongosoha (金剛槍破 Diamond Spear Wave, Dub. Adamant Barrage) is a special attack that launches diamond shard spears and one of Soul Edge's special powers attack.
The Kongosoha is able to pierce the strongest barriers, including Seireitou's barriers. The attack is not unbeatable, it is unable to pierce the powerful aura of Seireitou's Shukai form. The Soul Edge can only use the technique by transforming into it's Diamond form.