Only that specific skill hits cannot trigger damage reflect (in general, most summons and skills that auto attack for a period of time that you cannot control at a press of a button do not activate damage reflect for this reason as to be a bit more fair).
It doesn't protect you from damage reflect if you use other skills that doesn't have that exception.
You can add level to the arcane force hyper stat (hyper stat button in the character stat window) as soon as you finished your 5th job advancement to finish that quest with no problem.
6 level will ensure the Vanishing Journey mobs don't do bonus damage against you.
11 Levels will make you invincible to all regular mobs (not the floating lantern of doom that murder you when you look away from the screen for 11 seconds) in the Vanishing Journey area.
https://strategywiki.org/wiki/MapleStory/Bonus_Stats
Using a powerful flame or level flame or fusing an CRA equipment give tier 3-6.
Eternal flame or obtaining directly from the emblem on CRA equipment give tier 4-7 .
Pants ( Str+40, Allstats +7%)
-line 1: tier 5 STR (+40)
-line 2: tier 7 %All Stat
-line 3: ??? (you didn't include the other yellow stats)
-line 4: ??? (you didn't include the other yellow stats)
Armor ( Str+84)
-line 1: tier 6 STR (+40)
-line 2: tier 5 STR/??? (+24/+24)(you didn't include the other yellow stats)
-line 3: tier 4 STR/??? (+20/+20)(you didn't include the other yellow stats)
-line 4: ??? (you didn't include the other yellow stats)
Change channel if you used the boss queue or is in the channel that boss queue take everyone to.
This happens because there is a limited number of Horntail (and Zakum) room in each channel and they are all full so it instantly eject you and eat up your daily entry.
For each barrier active, mana regen decrease by 4.
You must use the mana vein to recover mana if you want to use barriers.
If you put a barrier on a mana vein, the barrier become a giant mana vein for the rest of the duration, so you should always fight in it.