[Request] how to do 200m+ dmg on bosses

hey there!
im realatively new here. i first made a slayer following the guide that was already made on how to be a boss farming slayer. but it didnt work out well. i only had 130m hp and i only did ~40m crits on bosses.
then someone told me templar would be better, since they have auto hs passive, and the best shields (holy shield) are better than a off hand weapon. so i made this templar, and it turns out its working much better than the slayer. with equal gear, i do 45-50m crits, but i also have 200m hp with a perfect lion. so basicly, templar are better. but the thing is, my dmg is too low. i heard that templars wouldent take more than 20-30 secs to kill eg. kalgas. but in my case, it takes like 3-4 mins. not that 3-4 mins are bad, but its just not as i expected. the help i need is how do i get like 100-200m dmg? i know my dmg is low mainly because of the block, but i tried changing 1500% ICD into 1500% crit chance, that didnt help anything. still blocked as much, but i only did 29m dmg. so i changed back to 1500% ICD. and even with 200m hp, i still die 1-3 times during razgul/kalgas/ankou (the only bosses i killed so far). how much hp do i need to tank off those bosses? and how do i manage to get more dmg? my awakes are really decent, on wep/shield 500%+ ICD. (500% on wep, 600% on shield), and my kalgas set has equal awakes. my red chip cs set has 900% ICD per part, and cloak/mask/jewerly has 300% ICD on each part. the question is, would i be better off with a mentalist or arcanist for boss hunting? i mean, it would probably be a better overall damage output cuz their skills cant be blocked, but tank wise, they wouldent really reach much hp compared to templar wouldent they?
give me some suggestions please!!!

Usually what really helps me kill bosses is the Seraph buffs! They give PvE damage and alot of cool bonuses. Also, you can make a couple and level it for increased damage, health and drops. Other than that I would recommend using Upcut Stones to increase your damage against bosses. I use a slayer and I could kill bosses pretty quick using the stuff I mentioned.

FireBreathe wrote:Usually what really helps me kill bosses is the Seraph buffs! They give PvE damage and alot of cool bonuses. Also, you can make a couple and level it for increased damage, health and drops. Other than that I would recommend using Upcut Stones to increase your damage against bosses. I use a slayer and I could kill bosses pretty quick using the stuff I mentioned.

as mentioned, i had a slayer. but it died all the time cuz it wasnt tanky enough.
but im thinking, how would a full crit damage seraph be for bossing? since i cant dual log with a seraph to get the buffs, it might be better with a seraph farmer wouldent it?

are you referring this slayer Guide->Slayer Guide for Boss Hunts
-if NOT just follow this guide "Slayer Guide", your Boss hunting will be perfectly fine^

Addition for Slayer Boss Hunting, for CS Fashion save your RPs to buy a Donor CS Fashion to add more damages^

-For weapons use 2 sword Catalyst and your primary weapon w/ Jewel upgrade with Soul leaching%.

-And for more PvE% damages Use weapons:
Primary Weapon: Key Blade it has 100% PvE.
Secondary weapon: Ulti Black Sword.

-If you have 20K MQC (Mazey Quest Chips) buy a Seaking Cloak it's has All stat+800, Increased Attack + 500%, Lucky Box +2, See them at Mayor Flarine near Central Flarine Post Office.

-For MQC you can get them by doing Quests like listed below:

• Lost Shipment and Thief Quest
  
• The Riddles Quest
  
• Strane Collector Quest
  

*still Slayer is best for Boss Hunting^

would i be better off with a mentalist or arcanist for boss hunting? i mean, it would probably be a better overall damage output cuz their skills cant be blocked

-Sadly Magic Damage is weak against Dungeon Boss, Still Not wise to recommend to use Mentalist and Arcanist to do Boss hunting^

damaging 40m - 50m on bosses are high already . most players do 10m only including me . im crackshooter full icd . i wanna know your secret to do 40m damage .       

try to boss hunt with seraph buffs . i will help you kill boss faster .

also having seraph for boss hunting is also good. ive tried that already. just focus on str and ICD . and would do decent damage.

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#topic moved to suggestion section

AS every1 said... Seraph ! +300% PvM damage !
Plus couple +250% HP/atack + 500 All Stats + 50% Drop rate

I got several Blades/Slayer in this game. I believe about 36+ of them. I can basically do dungeon runs with a buff pet's buff, Mantis, Holy Scrolls, Revive Scrolls.