Druid | D&D 5th Edition on Roll20 Compendium
As a Druid, you gain the following spell slots when you reach the specified Druid levels. These spell slots are listed in the Druid Spell Slots table.
Consumed Shadow Weave - bg3.wiki
Spellcasting Level 1 Spell Slots Unlocked: 3 You gain an additional Level 1 Spell Slot. Spells Known: 5 Choose 1 additional Spell from the current Bard Spell List.
Multiclass spell slots. - General Discussion
He should be considered a level 7 Multiclass spell caster right and have access to the 4th level spell slot?