More relics in operation mode, such as "gene seed" and "sacred relic".

For example

Relics that give in game bonuses (for balance, disappearing after loss of consciousness)increasing the maximum amount of ammunition, ability cooldown acceleration, additional protection, slowing down the decline of contested health, reduced companion resurrection time.

Relics that give more rewards when completing a level: more requisition points, arsenal data. May be relics 

opening additional customization options, decals.