The existence of the statue explains why the pirates abandoned their ship. This monster could summon lower classes of the undead, and creating those arms was an easy feat for him. The statue's powers must have attracted the undead, just like the case in Rohan Ruins.
"You've evolved because of Val's fragment, interesting." Nikolai gripped his gun tightly.
A mage skeleton also protected the statue he found. It seems the powers of Val were naturing to these undead monsters so that they would evolve beyond their limits.
'That one was only a mage, not a lich.' Nikolai frowned as he looked at the furious monster in front of him.
"Puny mortal, you dare ignore me?" The lich rose as the spirits screamed in wrath. "Prepare to die!"