Kill the Hive Tyrant (Boss). Secondary Objective: Loot the Ancient Technology chest (often required for crafting/item unlocks).
In this scenario, the party investigates a heavily infested Algox hive. The mission is a descent into the heart of the enemy territory. The map is multi-chambered and features a high density of enemies. frosthaven hive guide
You will be fighting the (Ice Demons). This scenario emphasizes the "Hive Mind" mechanic where enemies buff each other. Kill the Hive Tyrant (Boss)
Items like Item 122 (Shield 2 for a summon) and Item 148 (Ward generation) are essential since you'll frequently stand near your summons to protect them. frosthaven hive guide
If the party wipes, the Hive Mind consumes the characters' thoughts.
Good luck, mercenaries. The cold is the least of your worries.