Soul Hackers 2 is a turn-based RPG that features a battle system derivative of the Press Turn system featured in the mainline Shin Megami Tensei games. Battles involve a party of four characters and the element affinities present in other Megami Tensei titles. Characters take turns using a combination of physical attacks and magic Skills that summon demons to perform elemental attacks. Should the player manage to successfully exploit an enemy or enemy group's weakness to a particular Skill, they are able to perform a Skill known as "Sabbath", which targets every weakened enemy in battle and deals immense damage involving every active party member. It is conceptually similar to the "All-Out Attack" Skill that appears prominently in the Persona series. Additionally, demon encounters can alternatively be resolved through negotiation, allowing the party to raise said demon's enthusiasm for recruitment into their party. New demons can also be manually summoned by virtue of demon fusion, allowing two or more recruited demons to be fused together to summon a new demon type while carrying over selected or randomized Skills from either respective demon
Source: Wikipedia, "[en.wikipedia.org/wiki/Soul_Hackers_2 Soul Hackers 2]", available under the CC-BY-SA License.