Alexios met Bryce at - such was Bryce's claim - the lair of the Writhing Dread. Bryce asked Alexios to aid her in saving her lover.
A Slithery Plea
Objectives of A Slithery Plea
1. Find and Acquire the relic from the Daughters of Artemis
You have to complete Hard to Artemis support quest.
2. Find and Talk to the mercenary about the spear
You have to complete Heavy is the Spear support quest.
3. Return to Bryce
You have to complete Keys to Happiness? support quest.