10 seconds is too long; if the enemy hasn’t managed to do anything to you in 10 seconds, then you can change your squad and take one that has an armored unit
But if the explosion were instant, then this thing would make sense
Ultimately, this is a self-destruct weapon. The best approach is to arm it in advance and ensure it detonates at the right moment. Since it’s a bomb carried on one’s back, it remains a troublesome device—even if the carrier is killed after arming it, the bomb will still go off.
This is the only weapon issued to my grandfather. He carried it on his back, hid in a foxhole at Yuigahama Beach, and was ordered to charge the Sherman tanks if the American forces arrived.
Interesting indeed but do we really need this when every faction has access to TNT blocks and Detpacks? Also Japan does have the lunge mine already in the game