Changes

| todev=540,000 gp; 11 days; 21,600 XP. Seeds: ''[[SRD:Animate (Epic Spell Seed)|animate]]'' ([[SRD:DC|DC]] 25) large chunk of stone, ''[[SRD:Fortify (Epic Spell Seed)|fortify]]'' ([[SRD:DC|DC]] 27). Factors: allow vault to “grow” to proper size after created in 4d4 days (ad hoc +20 [[SRD:DC|DC]]), increase [[SRD:Hit Dice|HD]] of object by 92 (+184 [[SRD:DC|DC]]), grant magical immunity (ad hoc +105 [[SRD:DC|DC]]), increase [[SRD:Damage Reduction|damage reduction]] to 15 (+28 [[SRD:DC|DC]]) and to /epic (+15 [[SRD:DC|DC]]), make permanent (x5 [[SRD:DC|DC]]). Mitigating factors: increase casting time by 10 minutes (–20 [[SRD:DC|DC]]), increase casting time by 100 days (–200 [[SRD:DC|DC]]), 9d6 backlash (–9 [[SRD:DC|DC]]), seven additional casters contributing one epic spell slot ( 133 [[SRD:DC|DC]]), burn 20,000 XP per epic caster ( 1,600 [[SRD:DC|DC]]).