At least to them it was, to any normal person it was extremely deadly. The array turned completely active and threw a miasma of condensed death-mana at the two. Enough to make even Tier 8 people fight for their very lives.
To these two, however, all it took to combat the corrosion was to actively move their mana. Though, it quickly started draining their mana pool.
Eldrian sighed and rushed forward, "Let's make this as quick as we can. If you start to feel tired, run outside!"
"What are we looking for?" Ceph asked, Eldrian having handed him the dimensional ring he had gotten way back at the start of things.
"Just throw anything that looks important into the ring!" Eldrian shouted, keeping mana sense active and rushing through the cave. There was plenty of rooms, most of which had absolutely nothing of importance.
However, every now and then he would find an old dusty book or a few pieces of equipment in the rooms.