I enjoyed this challenge a lot! Definitely my favorite of the Inn challenges. It really forces you to use everything to your advantage. For a level 90 player it is exactly the kind of challenge you'd expect for the best (at least currently) accessories in the game.
My strategy for the trio was as follows:
Cape: Necro Paragon Cape IV
Ring: Ring of Thorns IX
Helmet: Fierce DragonLord Helm (lvl 72)
Necklace: Squirrel Tentacle IV
Trinket: Seven "Lucky" Wishbones
Belt: Leorilla Mane Belt IV
Bracer: Legion Bracer
Pet: Dragon (200 protection, 200 magic, 200 fighting)
Weapons: Ultimate Blinding Light of Destiny for Dryad and Skywatcher, Scythe of Elementals (any) on Energy for Kathool, Show Blade of Awe
Stats: 120 LUK (enough to get to 100 crit), 90ish END and 50ish WIS (to get to 2500 HP and 1000 MP), rest in STR
Also: 5 potions. I like to use the Magic Mirror house item to restock as you can get it to send you back to the Inn after you finish the quest.
I went for skywatcher first, but should be about the same if you go for Dryad
Start with void barrier, since BtH will be low for the first couple turns. Follow up with any low cooldown attack.
After turn 3 (no skills), will->spikes. This should stun both Skywatcher and Kathool.
Then Corrupt->Seek->Carve->Bind->Blast. Carve can be used as needed, idea is just to deal damage and keep hp up.
Try and time Drain for just before no skills to get the most out of a health potion used that turn.
Once dryad/skywatcher is defeated and the other enraged, use Weaken.
Keep using health potions to stay alive as needed and use Corrupt->Carve/Seek/Bind once available.
The hardest part is finishing off the enraged dryad/skywatcher, so don't worry too much about saving skills/potions.
Once it is down to Kathool, keep HP below 50% and use Blast, Corrupt->Seek/Carve/Bind when available. Save Spikes and Barrier in case of emergency.
If your health gets too high, use Ritual. If it is still too high or gets too high again, use mana potions or as a last resort, switch to default weapon to lower damage. If your health is just barely too high, use Blood. It lowers your health instantly before the attack connects.
Once Kathool is close to 20% HP, use Spikes->Inner Darkness to finish it off. If it is still alive, use Barrier->Weaken.
Good luck all!
< Message edited by Darkonus -- 7/8/2018 6:14:56 >