Diana

About
Diana was an explorer and gambler who befriended Seed Cashima during his attempt to win the Toushin Tournament. Having come to the Ragnard Dungeon to find the two legendary swords of the White Hero, the Manslayer Sword and the Onislayer Sword (intent on selling them), Diana saw Seed's potential and began to bet on him at the tournament as a dark horse candidate, probably his first supporter outside his own friend group. The two met occasionally in the dungeon, Diana avoiding enemies with a "Keep Away Spray" she kept as a secret recipe.

As a profiteering archeologist, Diana was able to help Seed deduce some of the legends of the dungeon, including the legend of Remia, but when it came time ot find her prized swords, she would need his assistance. Thankfully, Diana had the highly peculiar ability to achieve intense focus during sexual arousal, which Seed was able to provide. The two split the prizes, Seed taking the Manslayer Sword for his fight against Billnas.

Unfortunately, Diana did not last long after this encounter. She was ambushed and killed, and later encountered Seed at the gates of hell. Even in death, Diana kept up her casual nonchalance, and told Seed about her secret horde in the Toushin City qualification dungeon, where he was able to acquire the Onislayer Sword.