env_explosion
env_explosion is a point entity available in all 
GoldSrc games. It creates an explosion at its origin.
Key Values
Targetname:
- Name
(targetname)<string> - The targetname that other entities refer to this entity by.
- Magnitude
(iMagnitude)<integer> - The amount of damage done by the explosion.
Flags
[1]:No Damage[2]:Repeatable[4]:No Fireball[8]:No Smoke[16]:No Decal[32]:No Sparks
