Any tips for clearing L!Tikis Infernal Lhb?

Do you have brave Veronica? She turns every GHB/LHB into an absolute cakewalk.

If you do have Brave Veronica, this should help:

https://www.youtube.com/watch?v=qGsw_Qk0FBs&t=726s

If not, at least you should be able to get an idea. I beat it with Veronica, Reinhardt, HS Micaiah and regular Ike. I had to try for hours, but at least I did it.

I used dc ayra with aether/ayra's blade to kill all ranged units.
Bladetome l'arachel to take out bulky melee units.
Azura for dance with double drives.
The most important role was veronica she provided L'arachel with hone cav/tatics,healing,buffs/debuffs and chip tiki's hp away.

Jaffar and his deathly dagger helps do a lot of chip damage and kills all the mages. I used Jaffar, 1 healer (Veronica), L!Ike because of his DC, and a dancer so Jaffar maximizes his damage during player phase.

I used Lewyn ( with blazing wind and flashing blade ), nowi (+4) and two dancers (flying Ninian and flying Olivia). Nowi is for tanking range dmg and Lewyn keep spamming blazing wind lol.

B!Cordelia with life and death and doble savage blow for the chip damage, with to dancers with hone speed and attack, and L!Ike its the way I beat the infernal, abyssal needs B!Veronica, Rein, a dancer and L! Ike to beat her.