The Malboro Tentacle is one of the required items to use the Solomon Ring to get the GF Doomtrain, six in all needed with the other items. It also teaches Quistis the Bad Breath Blue Magic and is used to get her ultimate weapon, Save the Queen. For refining purposes, Malboro Tentacle x100 can be refined into Moon Curtain x1, Malboro Tentacle x1 can be refined into Bio x40, and Malboro Tentacle x1 can be refined into Remedy x2. Malboro Tentacle can be stolen or dropped from the Malboro. It can also be obtained by Card Modding Malboro Card x4 into Malboro Tentacle x1.