The optimal party composition for boss fights in Star Wars: Fate of the Old Republic is highly dependent on the specific enemy you are facing, but certain archetypes generally prove more effective. A balanced party typically includes a strong melee damage dealer, a versatile Force-user capable of both offense and support, and a dedicated healer or a character with strong defensive capabilities. You character often fills one of these roles, allowing for flexibility in choosing companions.
For example, against a heavily armored melee boss, a party with a tanky melee character to draw aggro, a Force-user with debuffs and crowd control, and a healer would be ideal. Conversely, against a powerful Force-user, a party with multiple Force-sensitive characters who can counter their abilities, alongside a strong ranged damage dealer, might be more suitable. Always consider the synergy between your chosen companions. Companions with complementary abilities, such as one who can stun and another who can follow up with a powerful attack, can create devastating combos. Experimentation is key to finding the party composition that best suits your playstyle and the challenges ahead.