The Witcher 3: [Blood & Wine] DLC - Dettlaff Final Boss Fight [Death March!]
5This is a guide on how to defeat Dettlaff in the Final Show Down [Boss Fight] on Death March! Difficulty.
First Phase
Just Dodge, Parry and Counter Attack. It's similar to the first encounter with Dettlaff. But watch your back, with light armor it takes only 2 to max 3 hits for Dettlaff to kill you!
Second Phase
When he does his Dive towards you, shoot him with your bow when he hangs in frond of you and want to grab you with the second part of his dive. It gives you an extra chance to do damage on him (longer time frame then the dive attack).
Alternate methods: Just roll away or use Quen. If you have upgraded the Quen Sign you don't even have to dodge cuz Quen takes your damage.
When he does his Bat Attack, dodge it just before he throws it at you (when the black mass is at it's top!). It feels a bit early when you dodge, but thats good. It takes a few times before you get the timing right.
Really Really dodge him! On Death March! he will one-shot you even with Quen! I found that out the hard way.... (Unless you have the new Mutagen that gives you a defense buff based on adrenaline, then you keep like 10% hp)
Alternate method: Just sprint to the side cuz the attack is in a straight line. Not towards or away from him!
When he dives straight to the ground, you will see a spot on the floor... just roll/dodge away and attack! Go back when he turns red... or you receive some heavy damage!
Third Phase
Just dodge his attacks, parry (when he does his teleport attack) & use Igni! It Works! Very Importent to focus on the sacks on the sides. These are the onces that eventually damage Dettlaff.
Alternate Method: You also can completly ignore and dodge Dettlaff. You will not get the few seconds to do damage freely on the sacks like you get from "killing" him off but it's do-able.
Also important... Quen! Use it wise!
When you "Kill" Dettlaff he dissapears for a few seonds. You get 4 to 5 quick hits on the sack before he respawns. Watch the spot beneath you on the ground and roll away before he jumps up!
Last Phase
When you are out of Dettlaffs illusion... just run towards him and hit him hard with your final strike ;-)
Hit him fast.. i was screwing around a bit and he can damage, even kill you at this phase if you don't act fast!
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