In 0.193, warhead become indestructible.
1.)It can cause explosion and damage to other entities' other block than warhead. But it won't self destroy and blow up after the explosion.
2.)It can cause explosion by trigger with logic, the explosion will cost damage to blocks of other entities except warhead. But it won't self destroy and blow up after the explosion. The blocks next to warhead in the same entity won't be damaged when warhead trigger with logic