Rage can be used as an alternative Helminth ability for speeding up the Hemocyte.

Arcane Options:

• Arcane Energize: convenient source of energy. Isn't required if you're willing to use Squad Energy Restores instead.
• Arcane Precision: convenient source of additional damage for Dex Pixia.
• Arcane Pistoleer: can provide 100% ammo efficiency, but requires you to headshot an enemy before targeting the Hemocyte.

Archon Shard Options:

• +25% Secondary Critical Chance
• +30% Energy Maximum is filled on spawn
• +25% Casting Speed

Dex Pixia build: https://overframe.gg/build/551881/