Summoning Altar bosses are among the most dangerous and mechanically demanding encounters in Palworld, designed as optional but extremely rewarding endgame challenges for well-prepared players. Unlike Tower Bosses, these enemies are deliberately summoned by the player, signaling a commitment to high-risk combat against foes with massive health pools, extreme damage scaling, and powerful damage reduction modifiers. Each Summoning Altar boss represents a unique escalation in difficulty, often introducing Ultra and Master variants that dramatically increase survivability and attack power, punishing mistakes with devastating consequences. Success in these encounters requires optimized gear, carefully bred and condensed Pals, strict elemental counterplay, and precise timing with Pal recalls and positioning. As players progress from early threats like Bellanoir to apocalyptic encounters such as Xenolord, Moon Lord, and Hartalis, the Summoning Altar becomes a true test of Palworld mastery. These battles are not about survival alone, but efficiency—managing damage output against heavy mitigation while avoiding overwhelming burst attacks that can instantly wipe unprepared teams. Conquering Summoning Altar bosses marks a player’s transition into Palworld’s highest tier of combat, where strategy, preparation, and mechanical execution matter more than raw levels.
| Boss | Variant | Level | HP | Damage Reduction | Attack Damage |
|---|---|---|---|---|---|
| Eclipsed Siren Bellanoir | Standard | 30 | 294,000 | 0% | 150% |
| Twilight Siren Bellanoir Libero | Standard | 50 | 450,000 | 60% | 200% |
| Twilight Siren Bellanoir Libero | Ultra | 50 | 900,000 | 75% | 300% |
| Blazamut Ryu | Incarnation of the Eternal Flame | 55 | 512,680 | 60% | 200% |
| Blazamut Ryu | Incarnation of the Eternal Flame (Ultra) | 55 | 1,025,360 | 70% | 320% |
| Xenolord | Invader from Space | 60 | 1,316,000 | 65% | 500% |
| Xenolord | Invader from Space (Ultra) | 60 | 1,974,000 | 76% | 1300% |
| Moon Lord | Standard | 50 | 422,500 | 0% | 100% |
| Moon Lord | Master | 65 | 1,956,000 | 10% | 700% |
| Hartalis | King of Salvation | 65 | 909,000 | 50% | 400% |
| Hartalis | King of Salvation (Ultra) | 65 | 1,212,000 | 75% | 1300% |