You have acquired the CALL of MONOLITH, HEARTH of PERMANENCE. You may CALL it to summon it, or use its effect.
Summon : You can place a MONOLITH in the place of your choosing in the room. The MONOLITH cannot move until recalled. You can only place one at a time.
Effect : Choose an object to place the HEARTH of PERMANENCE on it. As long as the HEARTH of PERMANENCE is on that object, it will become eternal.
You can only use one of these effects at a time.