Pearl 5, Accurate:
The pearl for those that really can't aim or really can aim well. One of the best pearls for diggers in a sense.
Weapon Compatibility: Explosive, Basket, Laser, Boom, Spear, Axe, Bazooka, Keris, Muramasa
Weapon Incompatibility: Everything else especially Plunger.
Tactics: Used to delay and mostly dig, especially since the higher levels eat up a bit of the damage you'd have dealt. As for it activating when you use ice bomb I'm unsure. With a nuclear item dig though it most certainly would work.
Pearl 6, Nuclear:
This pearl is down right evil when your enemies are in the same vicinity where all you need to do to hit them is change angle one degree. Also makes it every easy to dig someone if you aim right. Mainly so when it activates it doesn't ruin the flow of shots you have locked on the target(s) heads. Makes for easy stuntmaster in sf too, or breaking more than one target in boat.
Weapon Compatibility: Any weapon.
Tactics: When using 3 in 1 pow it may activate so be sure the pow will hit regardless. Cause the nukes will make it so nothing gets in the way of the pow, if he moves anticipate that and adjust the angle while he's falling so you still hit him dead on. Changing your angles while attacking to make this easiest to use. Makes for an easy stunt master when the enemies spawned within 1 or 2 distance of each other so you can still hit them with nuke hitting the first person again cause of it. If laced with pierce and you did the stunt it would do double pierce if the nukes hit both players that assault. O.o