Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
I did actually prepare for tera dark if you go back on turn 9 with ival I am expecting tera dark clodsire so I use moonblast instead of psyshock so I did prepare for the possibility so this isn't some "stroke of luck throw" he just decided to tera the wrong Pokémon if he had decided to tera...
https://replay.pokemonshowdown.com/gen9ou-2569009056 me beating stall sacking dozo was a bit of a bad decision but in my defence most of my mons exept wellspring were special attackers and it was quite foolish of me to think that having two psyshock users was "overkill" also ik this is low...
I'm not a low ladder player or anything(1500s) but I'm quite unfamiliar with traditional ho and I'm only really good at sticky web ho and sun I prefer Bo and balance so idk what to use really ik wellspring Val kingambit kyurem ceruledge etc but if I were to use ho i would use sun or sticky web
https://pokepast.es/013545f678c0d6bd if you want a bulk up fire type just use ceruledge with flash fire and tera grass/bug/fairy also tentacruel you have a pretty crappy great tusk matchup and on this team you have lots for tusk
Honestly call me crazy but u should do this on grim 96+ Atk Grimmsnarl Low Kick (100 BP) vs. 0 HP / 4 Def Kingambit: 344-408 (100.8 - 119.6%) -- guaranteed OHKO) and with max speed you outspeed all kingambit this is pretty niche and be careful but it can work in the right circumstances also you...
Honestly replace teal mask oger for Wellspring and make it SD cudgel Horn leech substitute you can make it adamant or Jolly Ur choice this helps with stall also your team gets 6-0d by tera ground booster speed iron moth so you kinda need this with tera water you could also put raging...
Psychic is a pretty garbage tera type even for stall just make it tera steel/electric/ghost and remove vaccum wave and add calm mind and make sinsitcha boots cuz if you get chipped down too much you'll be in 2 hko range from tusk ice spinner