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Shade and Allan had been watching over the city ever since the children went to sleep. They left Faylen and Nepheline alongside Sylphy's Uncle protecting the tribe while they came here to investigate as they had planned to. However, something ended happening while they wandered around the city. Explosions, several explosions.
In seconds, they reached the orphanage, finding it unscathed, that wasn't a surprise for them as Faylen had set up a powerful high tier barrier without the orphanage even noticing, although it was merely Tier 5, it was good enough to protect from mostly anything people in this city could offer as a threat.
Higher tiered barriers cost more Mana and are more complex to conjure to do it on the go as she did, and often don't allow for people to walk inside and outside either if they're allowed by the caster. The more restrictions and special conditions given to a spell, the more burden they take on the conjurer at the time of invocation.