I use two basic combos while farming on my Featherfoot.
The first general combo is, after grouping the enemies up:
Sleep > Joint Penalty > Swell Body (x2 if necessary) > Kurdaitcha > Hangman’s Knot > Kundela until dead.
If I’m really desperate I’ll finish them off with Ngadhundi, but I’ve reset it down to level 1 so that doesn’t happen much. Honestly with Kundela 10 plus attributes it’s not hard to clear a linked mob even if they resist Hangman’s Knot.
The second combo I use much more rarely, only when I’m low on HP or I’m really frustrated with the mobs (elmas can die in a fire):
Joint Penalty > Hangman’s Knot > Sleep > Enervate > Swell Body > Blood Sucking
The order of Enervate and Swell Body is irrelevant. This combo doesn’t rely on the HK debuff landing, and it allows you to put all the mobs in one place before you swell so its guaranteed to hit them all in one cast. The mob typically dies after 2 or 3 ticks of Blood Sucking, though if the mob was too small sometimes it’ll take half or more of the cast time.
I haven’t graduated from the 320 HG yet, so I might have to work Enervate into my first rotation, but more likely I’ll just hit Kundela slash one more time.