Free Lucia from the Dragonship Destiny in one session without the use of Althena's statue, leaving or a character being knocked out (L<=9; no Angel Ring equipped)
Defeat the Black Fiend without magic, status protection accessories, or a character being knocked out (L<=42; no Angel Ring equipped; no Star/Silver Lights in battle character inventories)
Traverse Zophar's Domain and get to his colosseum in one session without leaving after Lucia's cutscene at the entrance (L<=52; no dragon crests of any kind or Angel Ring equipped)
Defeat the Phantom Sentry in the Sunken Tower without a character being knocked out (L<=55; no crests, Angel Ring, Dimension Ring, or Lucia's Tear equipped)
Defeat the Star Sentry without being equipped with anything from a deity or dragon (L<=55; no Heal or Angel Ring, Dimension Ring, or Lucia's Tear equipped)