Volume 7

The Red Stone of Aja (エイジャの赤石) is the third volume of Battle Tendency and the seventh volume of the JoJo's Bizarre Adventure manga. It covers the second half of the fight against Santana up to the first encounter with the Pillar Men in Rome.

Summary
After defeating the pillar man, Santana, Joseph goes to Italy to meet with Zeppeli's grandson, Caesar. Meanwhile, in an underground ruin in Rome, three more Pillar Men awaken in search of a mysterious gem, the Red Stone of Aja...

Chapters

 * 014 (058). 
 * 015 (059). 
 * 016 (060). 
 * 017 (061). 
 * 018 (062). 
 * 019 (063). 
 * 020 (064). 
 * 021 (065). 
 * 022 (066). 
 * 023 (067).