The explosion of force rocked the air - and shocked the creatures enough to make them lose their concentration long enough to destroy the weave of their natural magic.
Now the team was able to see the ugly creatures in all their revolting splendor. All of them had been hurt and two already lay on the ground twitching feebly, all their internal organs crushed and one with a massive burn across its skin.
The remaining eight all fell on the group, trying to suffocate their victims and ignoring the illusions.
Spoiler
Show
Everyone gets 2 opponents
Grimaximus
1# (1d20)[16]+5, damage (1d6)[5]+3, if crit (1d6)[4]
2# (1d20)[6]+5, damage (1d6)[3]+3, if crit (1d6)[6]
If hit, you are blinded (and unable to breath - not that it matters in your case) - you have advantage on attacking the attached creature. DC 13 Strength check to remove it with an action
Thraseous
3# (1d20)[18]+5, damage (1d6)[3]+3, if crit (1d6)[3]
4# (1d20)[8]+5, damage (1d6)[3]+3, if crit (1d6)[1]
same, you can hold your breath for 1+Con mod minutes. Exertion reduces this time by half
Lael
5# (1d20)[20]+5, damage (1d6)[2]+3, if crit (1d6)[3]
6# (1d20)[1]+5, damage (1d6)[6]+3, if crit (1d6)[1]
same, you can hold your breath for 1+Con mod minutes. Exertion reduces this time by half
Jim
7# (1d20)[1]+5, damage (1d6)[3]+3, if crit (1d6)[1]
8# (1d20)[19]+5, damage (1d6)[1]+3, if crit (1d6)[2]
same, you can hold your breath for 1+Con mod minutes. Exertion reduces this time by half