While walking home from getting lunch I actually got some battle mechanics in mind for Archmage and Nagak.
- Nagak is basically a buffed Paladin of sorts, Super Tanky, TONS of HP, but most of his highest damage attacks would be contact or melee. Would have a projectile or two (a Flying Dragon-esque energy wave and a ground/wall-hugging shockwave), but not use them as frequently as, say, a regular Paladin’s hammer flinging, but they’d hurt a lot.
- Archmage has the equivalent HP of a wet paper bag but would teleport a lot and have a lot of magic attacks that would basically fuse together attacks from the other Dungeon casters. Bouncing lasers that explode. Homing explosions. Curvy lasers ™ . Probably some unique ones too. Basically, leaving him alive is a huge liability.
- Killing Nagak first would be a lot harder out of the box with Nagak’s high HP/tankiness and Archmage’s BS, but doing so basically makes Archmage a sitting duck since nothing would change with Archmage’s mechanics.
- Killing Archmage first, though, would enrage Nagak, causing either much more rapid attacks/more ranged spam plus inflicting Ichor, or perhaps having him start flinging his greathammer as a ranged attack at regular Paladin levels of Hammer Spam. Not sure which, but maybe both.
Inspired by trying to chainsaw a Paladin to death in-game and having multiple casters show up to take potshots.