Stepping behind Reynauld as they returned to the Erythnuul Slum, Cordellia tapped Simone on the shoulder, and looked at the Pelorite with surprisingly soft eyes "May I touch that mystical artifact you have claimed for your God? I wish to show your guard something." Waiting for confirmation she thumbed the front of the circlet and lifted it partially off of her skin with a gloved pointer finger. Cordellia shut her eyes for a brief moment, putting one foot in front of the other in a fencer's stance, and upon straightening her back and lining her shoulders she stuck her free hand out while simultaneously opening her eyes. Sparks shone in that empty void, the scraping of a thousand swords against each other, the low muffled sound of trumpets escaping her throat, and a cape of stars twinkled transiently into existence off of her back before fading with kaleidoscopic colors. When her hand rest upon the Crusader's pauldron he felt the same surge that broke from the Wizard's unfettered spirit pour into his soul and a fire burned within.

Releasing the magical accessory she smiled and began to incant a layer of armor over herself and wiped her hands over her blade to usher forth magical light.

Spoiler: Spells
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Cast Light, Mage Armor, and then HEROICS upon Reynauld giving him Martial Study.