The interior of the house had now completely transformed into an Otherworld Space. It was no longer an ordinary residence, but a mysterious domain jointly created by two powerful magi. Every inch of ground and every wisp of air was filled with unusual fluctuations of mana.
Medea's magecraft attainments were extremely high, and she could summon a large number of familiars for her use.
She gently waved the staff in her hand. Accompanied by the murmured incantation, countless familiars gathered from all directions.
These familiars came in all shapes and forms. Some drifted like ghosts, while others were as ferocious as beasts.
Although Medea had been unwilling to summon so many familiars, she felt it was both a waste of mana and unnecessary. After all, one powerful Servant fighter was enough to match a whole pile of familiars.
But Chang Wei insisted on it.
At his insistence, Medea set up a large number of Magecraft Barriers and traps. These traps were hidden in every corner of the room, and the moment anyone stepped inside, they would trigger powerful magecraft attacks.
At the same time, she used the skill of "Item Construction" to create a modern mana tool known as a Mana Reactor.
A Mana Reactor was a device capable of continuously supplying mana, making it an extremely important support tool for magi.
Although Medea did not know much about modern magecraft tools, her intelligence and creativity allowed her to quickly master the techniques for making Mana Reactors.
And materials were what Chang Wei lacked least. With abilities rooted in [Creation] and [Materialization], he could reasonably produce any material Medea needed.
With his help, the Mana Reactors were quickly created and placed at key locations throughout the Otherworld Space.
The mana supplied by these Mana Reactors even exceeded what ordinary lecturers