Yay! Another large idea! Bear with me.

Echo Weapons:
Sk idea where any weapon can be modified to deal no damage or status, but attack/detonate on their own once placed, retaining special effects such as knockback, called Echo Weapons. The duration and type of attack (regular vs. charge) depends on items used to modify (transmute, essentially) the weapon into an echo weapon, as well as the specific weapon modified and its heat level. This involves spooky spirits. Items such as Warmaster Rocket hammer and proto gear cannot be turned into echo weapons...many more details in the full text here.

If you don't like the sound of the idea, read the entire text before putting -1. If you like it, put +1. I like mindless +1s as much as thoughtful ones, haha. But I really don't like mindless -1s.
As always, I love feedback, either supportive or criticizing, as long as it's civil.

FULL TEXT HERE. RIGHT HERE. CLICK IT.

I feel that something like this, while extremely game changing, would open up many more strategies, without getting rid of old ones.