Saying so, the man fumbled on his chest and brutally ripped off his necklace. The only accessory of the man shabbier than a beggar had a little glass bottle in the size of a little finger hung on it.
The man placed the bottle in the center of the cavity in front of the previous underpass. Then the air around started to swirl and concentrated slowly towards the bottle. At the same time, a liquid of amber colour started to spring inside the bottle.
「This much crystallization of magic concentration never seen so far…!
Good, with only this!」