Allows the caster to detect thoughts nearby.

Original D&D[edit | edit source]

The spell first appeared in Men & Magic, for the magic-user.

  • Spell Level 2
  • Duration 12 turns
  • Range 6"

The caster detects the presence of thoughts within range. It will penetrate up to about 2' of solid rock, but a thin coating of lead will block it.

AD&D[edit | edit source]

ESP[edit | edit source]

Debuted in the Player's Handbook as a magic-user spell.

Level: 2 School: Divination
Components: V, S, M (a copper piece)
Range: 1/2"/level (max 9") Casting Time: 2 segments
Duration: 1 round/level Saving Throw: None
Target: One creature per probe

Detects the surface thoughts of any thinking creature in range. The caster can probe one creature per turn, getting simple thoughts, and probes can continue from round to round to see if the thoughts change. The ESP is stopped by 2 or more feet of rock, 2 inches of any metal other than lead, or a thin sheet of lead foil.

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