The Wisdom Dome is a buff building centered on Goddess Attendant merged books: reaching certain levels lets you equip merged books and activate their buffs. Book-unlock levels: Lv2 Charge (Mounted book); Lv5 Precision (Ranged book); Lv9 Formation (Ground book); Lv12 Siegecraft (Siege book); Lv15 Missile (Ranged+Siege book). Separately, upgrading the building grants a cumulative All Goddess Attendant Boosts total scaling with level: +0.5% at Lv1, +1.0% at Lv2, up to +10.0% at Lv15 and +20.0% at Lv25. First level unlocks at Keep 28, Keep-gated upward (Lv4 Keep 29, Lv15 Keep 40, Lv25 Keep 50). Cost F/L/S/O, high speed bonuses (~+170% early, ~+600% late), Power 158,000 (Lv1) to ~55,182,000 (Lv25). Posted 11/2025 (newer building). For a buff-focused bot, Wisdom Dome level both unlocks each troop-type book slot and provides an overall percentage boost to all Goddess Attendant effects. No function is stated as disabled during upgrade.
Original research source: Evony Guide Wiki