Bolverk, a Protector of Divinity, said that mysterious crystals had been found all over the Morheim Snow Field. Rumour said they were fragments of the Aion Tower from the Cataclysm, and he wanted to quash that rumour. So you located the mysterious crystals, collected them, and brought them to him as he requested. He said that he would send them to Pandaemonium to find out what they are.