Attacks: While it is in the computer terminal, the boss will raise multiple nodes through the room. after a brief time, an electric charge is chained through the nodes. If the player takes damage from the nodes, they are often stunned by the attack. In order to prevent this, the player must strike the node that is glowing red, rather than blue. Information provided by Phantasy Star Online Episode I & II (gamecube): In the Ultimate difficulty, Vol Opt is upgraded to Vol Opt ver. 2. This article is incomplete. You can help the Phantasy Star Wiki by expanding it.