Focus On Freeport #7: The Jade Serpent of Yig
p. 2, Attuning the Jade Serpent: The modifiers are cumulative.
p. 2, Level 1 Attunement: Treat Summon Viper as Summon Nature's Ally I at caster level 5.
p. 3, Level 2 Attunement: Treat Neutralize Poison as caster level 7, Summon Viper as Summon Nature's Ally III at caster level 5, Create Food and Water as caster level 5, and Remove Fear as caster level 5.
p. 3, The Consequences of Power: A Miracle spell will also undo the transformation.
p. 3, Destroying the Jade Serpent: The great wyrm Azial may knowledge of the location and/or powers of the Azoth Stone (see Freeport: The City of Adventure, p. 81). That artifact may even reside in the dragon's hidden lair.
p. 3, Hatching the Egg: See note for Madness in Freeport, pp. 32-33, Area #17.
3.5 Revision
Focus #7 was updated to v3.5 in Madness in Freeport Revised and The Freeport Trilogy.