บท 716: 228. Explore Caves at Sea_2

The magic-powered ship can now move forward with the help of the water jet's reaction force.

The deep rumbling sound from earlier was the magic stones in the magical engine beginning to release mana.

These magic stones have extremely high energy density, designed specifically for heavy-duty magical facilities, filled by high-level wizards.

The mana they possess is water magic power, which is the second most common type of magic power in the Suman Archipelago.

The most common type of magic power in the Suman Archipelago is deep sea magic power.

Why not use deep sea magic power to release water streams, then?

Water magic power creates pure water.

Water magic spells cast with water magic power do not have corrosive properties.

Water magic power itself also doesn't negatively affect the magical runes and metal pipelines.

Deep sea magic power generally creates deep sea water, and the deep sea spells it casts have inherent corrosive properties.