SRD:Contact (Epic Spell Seed)
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This seed forges a telepathic bond with a particular creature with which the caster is familiar (or one that the caster can currently see directly or through magical means) and can converse back and forth. The subject recognizes the caster if it knows him or her. It can answer in like manner immediately, though it does not have to. The caster can forge a communal bond among more than two creatures. For each additional creature contacted, increase the Spellcraft DC by +1. The bond can be established only among willing subjects, which therefore receive no saving throw or Spell Resistance. For telepathic communication through the bond regardless of language, increase the Spellcraft DC by +4. No special influence is established as a result of the bond, only the power to communicate at a distance.
At the base Spellcraft DC of 20, a caster can also use the contact seed to imbue an object (or creature) with a message he or she prepares that appears as written text for the spell’s duration or is spoken aloud in a language the caster knows. The spoken message can be of any length, but the length of written text is limited to what can be contained (as text of a readable size) on the surface of the target. The message is delivered when specific conditions are fulfilled according to the caster’s desire when the spell is cast.