Spec for 100 Resilience and Strength, then spec for as much Recovery as possible. Try to fight enemies at melee range to force them to punch you, activating Feedback Fence. Swap to your Primary before using Grapple to ensure you can perform a grapple melee. If your Glaive is an Aggressive Frame with Enhanced Surrounded, it will one-tap Guardians at any Resilience.
These build settings contain: