Trial Spawner:
```json
{normal_config: {simultaneous_mobs: 3.0f, simultaneous_mobs_added_per_player: 0.5f, tick_between_spawn: 20, spawn_potentials: [{data: {entity: {id: "minecraft:cave_spider"}}, weight: 1}]}, ominous_config: {loot_tables_to_eject: [{data: "minecraft:spawners/ominous/trial_chambers/key", weight: 3}, {data: "minecraft:spawners/ominous/trial_chamber/consumables", weight: 7}], simultaneous_mobs: 3.0f, simultaneous_mobs_added_per_player: 0.5f, ticks_between_spawn: 20, spawn_potentials: [{data: {entity: {id: "minecraft:breeze"}}, weight: 1}]}}
```


Ominous Vault:
```json
{config: {key_item: {count: 1, id: "minecraft:ominous_trial_key"}, loot_table: "minecraft:chests/trial_chambers/reward_ominous"}}
```


Suspicious Sand/Gravel:
```json
{LootTable:"minecraft:archaeology/$LOOT_TABLE"}
```

$LOOT_TABLE:
- ocean_ruin_warm
- desert_pyramid
- desert_well
- ocean_ruin_cold
- trail_ruins_common
- trail_ruins_rare