1 Exposure to sunlight allows the body to make the bone-building hormone vitamin D. 2  Eating a plentiful amount of fruits and vegetables helps to keep calcium in bone.  Consuming calcium from plant-based sources, especially green vegetables and beans, provides one of the building blocks for bone building.
1 Vindice means avenger, while vendicare means avenge.. 2  Even Byakuran was unwilling to go against the Vindice to release Ghost, instead sending Iris to negotiate Ghost's release, a testament to their fearful reputation.
The Blood of Olympus (mentioned) Lupa is the immortal Roman wolf goddess who trains Roman demigods in the ways of Rome. She trains the demigods at the Wolf House, then sends them to Camp Jupiter where they can join the Twelfth Legion.