Eternal Knights are broken

I have died way too many times to Eternal Knights being hidden in a pack of mobs. For those that don't know Eternal Knights are shielded enemies so they are immune to damage from the front but they have the added effect of reflecting projectiles. This effect has killed me too many times to count, I'll fire off a salvo of bolts and by the time I can see that there's a knight in the group I'm dead because the damage of the reflect is way too high.

Edit. For reference I'm running 15s in relatively okay defense, 60% armour and 55% Evasion with 3200 life so It's not as though I'm super squishy.

when that happens, sidestep/dodge the projectiles, they aren't that quick, and being light greenish, they're super visible. Then adapt your attack approach.