Bionis' Interior - they can be found on every spawn point. The following locations have the highest spawn rate (18%) for High Entia Jewel: * south of Spinal Nerve Tower; the heart-to-heart location * the passage west and south of Vein Crossroad * southeast of Pars Sympathica Tower; look for the passage that leads to the wind elemental ether deposit * west of Venous Plexus; look for the protruding passage that leads to a dead-end * south of Venous Plexus; starting from Pars Sympathica Tower facing south, go straight until the 2nd circular platform has been reached. The next passage ahead has a spawn point. The passage after the 3rd circular platform also has a spawn point. * Terminal Nerve Tower * west of Terminal Nerve Tower; the heart-to-heart location. The area