For wizard spell prepare:
Shield
Artistry of war
Cloud kill
wall of fire/phantasmal killer (for cc’ing bossing on honor mode ruleset)
Pre-buffing every long rest:
1: apply aid to entire party + summons
2: apply heroes feast to entire party + summons
^use staff of spellpower/spellcrux amulet to use/restore 2x6th level spellslots
Reserve markoheskir & ilithid freecast for Artistry of war/cloud kill (2x freecast, 1x6th slot, 2x6th slots for 5 total cast pr. long rest)
3:Apply warding bond to all three other party members. (this character has 8/13 damage resistances from items, heavy armor mastery (3 physical damage reduction) and magical plate (2 damage reduction) to act as a highly efficient filter for any damage redirected by warding bond. to often outright nullify it or significantly mitigate it.
Additionally this character has very high AC, to make the AI unlikely to target them.
For combat look to on turns (assumes cleric has haste applied as of turn 1 onwards):
A0 (optionally): prior to combat being triggered, put down a glyph on the ground.
A0: cast create water from a hidden position (doesn’t cost action once in combat)
A1,1: use markoheskir lightning bolt/chain lightning on wet targets + maximize roll with tempest domain channel divinity (charge 1/3)
A1,2: use cloud kill (for bigger fights)
B1: use mass healing word to apply bless to entire party
A2,1: use markoheskir lightning bolt/chain lightning on wet targets + maximize roll with tempest domain channel divinity (charge 2/3)
A2,2: reposition cloud kill
B2: use minthara’s unique soul branding on a martial character (2d4+1 fire damage & 5m movement speed bonus)
A3,1 use any of: glyph of warding/ice storm/destructive wave/thunder wave on clustered enemies (use channel divnity charge (3/3) if applicable. Alternatively resort to cantrip spamming at this point for spellslot preservation.
Addtionally it is also possibly to throw nylrulna from inventory, now that markoheskir has been spent for this shortrest anyway. This will equip nylruna to your character (due to the returning property). It is now possible to use nylrulna’s zephyr rush (6d8 aoe thunder damage + 15DC bleed, 12m aoe/line) Ability. Which can be max rolled with channel divinity charge (3/3).
A3,2: reposition cloud kill
B3: soul branding (could technically use mass healing word to keep bless up, however at this stage 2/4 party members will have bless equivalent anyway due to ‘Sweet Stone Features’ bless equivalent and this cleric will benefit from bless equivalent due to self healing from helm of balduran. Combined with enemies likely being very weakened, likely not worth expending a 3rd level spellslot on bless for another 2/4 party members for 2 more turns of combat).
turn 4+ likely cantrip spamming + cloud kill repositioning, maybe rarely using leveled spells.
For cantrips situationally use bursting sinew if enemies clustered on corpose, otherwise, main cantrip to use for damage is ray of frost (in particular on wet targets), alternatively use toll the dead. If target can heal can also use bone chill to prevent that.
