What are the effects of the different pylons?

Solution 1:

There are 5 pylon types:

1. Shield - Impervious to damage for 30 seconds.
2. Conduit - Lightning zaps your surroundings for 30 seconds. (Does a LOT of damage)
3. Power - All attacks do +400% damage for 30 seconds.
4. Speed - Maximum run speed for 30 seconds.
5. Channeling - All resource costs and are removed for 30 seconds and cooldown is vastly decreased.

Solution 2:

The following Pylons can be found inside Nephalem Rifts. The effects last for 30 seconds.

• Power - +400% damage
• Shield - Damage immunity
• Speed - Greatly increased run speed
• Conduit - Lightning strikes nearby monsters and surroundings for very high damage
• Channeling - All resource costs removed, cooldowns greatly reduced.