Hot answers tagged encounters
The duel isn't meant to be deadly, it's meant to be impossible. A CR 4 creature would be a deadly encounter for a single level 5 PC. With that in mind, you need to know that your players fight this NPC again towards the end of the 3rd chapter. At that time, they would usually be 4 level 3 PCs, so a CR 4 creature would be a hard encounter. He has other NPCs ...
Hit Dice The easiest and most painless way to increase the CR of an encounter is to give the creature one or more extra Hit Dice. The creature itself will have the same power, as you aren't boosting its attributes, attack bonuses, etc. It will just be slightly harder to kill it.
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