This spell is a part of the Essence Bolt spell chain and can be found in the Essence Bolt rune stone.
If the navitamancer could keep their friends alive forever, no matter what is thrown at them, they would choose to do so in a heartbeat. If asked if they would want the same for themself, they'd laugh it off. A true navitamancer cares not for themself after all, but for their allies. It is quite likely that should all of their allies perish, the navitamancer would seek to join them for their very reason to live is no more. It is that very mindset that brings on the casting of Infinite Life. The navitamancer knows well by this point their friends. They have healed them and empowered them time and time again. They know just how much their friends can handle. When the navitamancer casts Infinite Life upon one of them, it is to give them a moment of respite from carrying so much. With the casting of Infinite Life, the navitamancer asks of the Seraphim to protect their friend. When asked if they themselves want the same protection, the navitamancer declines, saying and believing that their friend needs it more. The Seraphim enters the chosen ally, giving them the very namesake of this spell, infinite life, but for a very finite amount of time. The way the Seraphim accomplishes this is quite simple, every time the protected ally is attacked the Seraphim heals them completely. The protected ally is not invicible however, should the damage deal more damage than they could handle in one blow the Seraphim can't act fast enough to prevent their death. But any damage that doesn't outright kill is healed instantly. Instant death spells will work on the protected, but the Seraphim cannot be dispelled. When the spell's duration reaches its end, the Seraphim returns to the runic soul of the navitamancer and the ally is left unprotected and normal once more.
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